Question: How far is Raleigh from the city sharing border with the birth county of William Selden?

full_context: Document 1: William Selden: According to the Library of Virginia "William Selden was born 31 January 1791 in Henrico County, Virginia, to Miles Selden (1752-1811) and Elizabeth Armistead Selden (1752-1833). He was a member for Henrico County in the House of Delegates from 1813 to 1816 and from 1818 to 1821. He later served as Registrar of the Land Office. He married first Maria Eliza Swann (d. 1834) 26 November 1833, and they had one child. He married second Emily Hunter 9 June 1840, and they had eight children. Selden died 7 April 1874."
Document 2: Richmond, Virginia: Richmond's economy is primarily driven by law, finance, and government, with federal, state, and local governmental agencies, as well as notable legal and banking firms, located in the downtown area. The city is home to both the United States Court of Appeals for the Fourth Circuit, one of 13 United States courts of appeals, and the Federal Reserve Bank of Richmond, one of 12 Federal Reserve Banks. Dominion Resources and MeadWestvaco, Fortune 500 companies, are headquartered in the city, with others in the metropolitan area.
Document 3: William Sutherland of Roscommon: William Sutherland of Roscommon (died 1715), also known as William Sutherland of Mostowie, was a Member of the Parliament of Scotland from 1703 to 1706 and Provost of Elgin from 1705 to 1708. He was son of James Sutherland, 2nd Lord Duffus and married Helen Duff, the eldest daughter of William Duff of Dipple, in 1702. Sutherland owned the estates of Moostowie and Aldroughty. In 1715, his estates were forfeited and he died abroad.
Document 4: Raleigh, North Carolina: Raleigh is located in the northeast central region of North Carolina, where the Piedmont and Atlantic Coastal Plain regions meet. This area is known as the "fall line" because it marks the elevation inland at which waterfalls begin to appear in creeks and rivers. As a result, most of Raleigh features gently rolling hills that slope eastward toward the state's flat coastal plain. Its central Piedmont location situates Raleigh about two hours west of Atlantic Beach, North Carolina, by car and four hours east of the Great Smoky Mountains. The city is 155 miles (249 km) south of Richmond, Virginia, 263 miles (423 km) south of Washington, D.C., and 150 miles (240 km) northeast of Charlotte, North Carolina.
Document 5: North Carolina: North Carolina consists of three main geographic sections: the Atlantic Coastal Plain, which occupies the eastern 45% of the state; the Piedmont region, which contains the middle 35%; and the Appalachian Mountains and foothills. The extreme eastern section of the state contains the Outer Banks, a string of sandy, narrow barrier islands between the Atlantic Ocean and two inland waterways or "sounds": Albemarle Sound in the north and Pamlico Sound in the south. They are the two largest landlocked sounds in the United States.
Document 6: Raleigh, North Carolina: Raleigh (/ˈrɑːli/; RAH-lee) is the capital of the state of North Carolina as well as the seat of Wake County in the United States. It is the second most populous city in North Carolina, after Charlotte. Raleigh is known as the "City of Oaks" for its many oak trees, which line the streets in the heart of the city. The city covers a land area of 142.8 square miles (370 km2). The U.S. Census Bureau estimated the city's population to be 439,896 as of July 1, 2014. It is also one of the fastest-growing cities in the country. The city of Raleigh is named after Sir Walter Raleigh, who established the lost Roanoke Colony in present-day Dare County.
Document 7: James Hemings: James Hemings was born into slavery to Betty Hemings, who was the mixed-race daughter of Susannah, an enslaved African mother, and John Hemings, an English sea captain father. James was the second of her six children by her master John Wayles, who took Betty as a concubine after he was widowed for the third time. They had a relationship for 12 years, until his death, and he had a "shadow family" of six children with her. They were three-quarters European by ancestry. Betty had four older children by another man. Wayles died in 1773, leaving Betty and her 10 children to his daughter Martha Jefferson, half-sister to his children by Betty. Martha was then married to Thomas Jefferson, who also inherited them by marriage.
Document 8: Richmond, Virginia: Law and finance have long been driving forces in the economy. The city is home to both the United States Court of Appeals for the Fourth Circuit, one of 13 United States courts of appeals, and the Federal Reserve Bank of Richmond, one of 12 Federal Reserve Banks, as well as offices for international companies such as Genworth Financial, CapitalOne, Philip Morris USA, and numerous other banks and brokerages. Richmond is also home to four of the largest law firms in the United States: Hunton & Williams, McGuireWoods, Williams Mullen, and LeClairRyan. Another law firm with a major Richmond presence is Troutman Sanders, which merged with Richmond-based Mays & Valentine LLP in 2001.
Document 9: William Erasmus Darwin: William Erasmus Darwin (27 December 18398 September 1914) was the first-born son of Charles and Emma Darwin, and the subject of psychological studies by his father. He was educated at Rugby School and Christ's College Cambridge, and later became a banker at Grant and Maddison's Union Banking Company in Southampton. In 1877 he married an American, Sara Price Ashburner Sedgwick (1839 1902). William was a great believer in university education being available to all, and championed the establishment of a university college in Southampton in 1902. The Darwins had no children of their own, and after his wife died, William devoted himself much to his nieces Gwen Raverat, Frances Cornford, and Margaret Keynes. William died on 8 September 1914 at Sedbergh in Cumbria. Raverat remembered him fondly as an eccentric and entirely unselfconscious man in her childhood memoirs "Period Piece" (1952).
Document 10: Richmond, Virginia: Richmond is located at the fall line of the James River, 44 miles (71 km) west of Williamsburg, 66 miles (106 km) east of Charlottesville, and 98 miles (158 km) south of Washington, D.C. Surrounded by Henrico and Chesterfield counties, the city is located at the intersections of Interstate 95 and Interstate 64, and encircled by Interstate 295 and Virginia State Route 288. Major suburbs include Midlothian to the southwest, Glen Allen to the north and west, Short Pump to the west and Mechanicsville to the northeast.
Document 11: William Henry Sneed: William Henry Sneed (August 27, 1812 – September 18, 1869) was an American attorney and politician, active initially in Murfreesboro, Tennessee, and later in Knoxville, Tennessee, during the mid-19th century. He was a member of the United States House of Representatives for Tennessee's 2nd congressional district during the Thirty-fourth Congress (1855–1857). In the months leading up to the Civil War, he became a leader of Knoxville's secessionist movement. Along with his successful career as an attorney, Sneed was involved in a number of business ventures, most notably the Lamar House Hotel, which he purchased in 1856.
Document 12: Raleigh, North Carolina: West Raleigh lies along Hillsborough Street and Western Boulevard. The area is bordered to the west by suburban Cary. It is home to North Carolina State University, Meredith College, Pullen Park, Pullen Memorial Baptist Church, Cameron Village, Lake Johnson, the North Carolina Museum of Art and historic Saint Mary's School. Primary thoroughfares serving West Raleigh, in addition to Hillsborough Street, are Avent Ferry Road, Blue Ridge Road, and Western Boulevard. The PNC Arena is also located here adjacent to the North Carolina State Fairgrounds. These are located approximately 2 miles from Rex Hospital.
Document 13: Richmond, Virginia: Richmond is home to the rapidly developing Virginia BioTechnology Research Park, which opened in 1995 as an incubator facility for biotechnology and pharmaceutical companies. Located adjacent to the Medical College of Virginia (MCV) Campus of Virginia Commonwealth University, the park currently[when?] has more than 575,000 square feet (53,400 m2) of research, laboratory and office space for a diverse tenant mix of companies, research institutes, government laboratories and non-profit organizations. The United Network for Organ Sharing, which maintains the nation's organ transplant waiting list, occupies one building in the park. Philip Morris USA opened a $350 million research and development facility in the park in 2007. Once fully developed, park officials expect the site to employ roughly 3,000 scientists, technicians and engineers.
Document 14: Henrico County, Virginia: Richmond Raceway is in the central portion of Henrico County near Mechanicsville, just north of the Richmond city limits. The raceway seats approximately 60,000 people and holds two NASCAR doubleheader race weekends per year. Additionally, Richmond International Airport is located in the eastern portion of Henrico County in Sandston. Top private employers in the county include Capital One, Bon Secours Richmond Health System, and Anthem.
Document 15: Raleigh, North Carolina: Raleigh is located in the northeast central region of North Carolina, where the Piedmont and Atlantic Coastal Plain regions meet. This area is known as the ``fall line ''because it marks the elevation inland at which waterfalls begin to appear in creeks and rivers. As a result, most of Raleigh features gently rolling hills that slope eastward toward the state's flat coastal plain. Its central Piedmont location situates Raleigh about two hours west of Atlantic Beach, North Carolina, by car and four hours east of the Great Smoky Mountains. The city is 155 miles (249 km) south of Richmond, Virginia, 263 miles (423 km) south of Washington, D.C., and 150 miles (240 km) northeast of Charlotte, North Carolina.
ground_truth: 155
sub_queries: William Selden >> place of birth Answer: Henrico County
Henrico County >> shares border with Answer: Richmond
How far is Raleigh from Richmond ? Answer: 155