Question: How far is Raleigh from the city containing the school where Charles Oakley was educated?

full_context: Document 1: Jodi Rell: Born Mary Carolyn Reavis in Norfolk, Virginia, Rell attended Old Dominion University, but left in 1967 to marry Lou Rell, a U.S. Navy pilot. The couple first moved to New Jersey, where Lou Rell took a position as a commercial airline pilot with Trans World Airlines. The family then moved to a 19th-century farmhouse in Brookfield, Connecticut in 1969. Jodi Rell later attended, but did not graduate from, Western Connecticut State University. She received honorary law doctorates from the University of Hartford in 2001 and the University of New Haven in 2004. In 2015 she received an honorary doctorate degree of humane letters from Western Connecticut State University. In her early career, she tutored and did substitute work for the Hartford Public Schools.
Document 2: 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 3: 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 4: Robert Mardian: Robert Mardian went to public school in Pasadena, California followed by Columbia University, North Dakota State Teachers College, and the University of California, Los Angeles. While serving in the United States Navy he met and married Dorothy Denniss in 1946. They had three sons. Mardian was awarded a law degree from the University of Southern California in 1949. After leaving law school he went into private practice as a corporate lawyer.
Document 5: 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 6: Terry Davis (basketball): Like two similar players, Charles Oakley before him and Ben Wallace (also undrafted) after him, Davis attended Virginia Union University and made a name for himself as a hard-nosed defensive player and rebounder.
Document 7: 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 8: George Watts Hill: Born in New York City, the son of John Sprunt Hill and Annie Louise Watts, George Watts Hill grew up in Durham and attended the University of North Carolina at Chapel Hill where he earned a Bachelor of Science in Commerce in 1922 and law degree in 1924. At UNC he was a member of Sigma Alpha Epsilon fraternity. He married Ann Austin McCulloch on September 30, 1924. Following a ten-month honeymoon around the world, the couple made their home in Harwood Hall, the mansion that his grandfather, George Washington Watts, had built.
Document 9: Backboard shattering: Darryl Dawkins became famous for shattering backboards, and is credited for being the one person to cause the NBA to introduce ``breakaway rims ''. Shaquille O'Neal slam dunked so hard that he broke the supports holding two backboards during games against the New Jersey Nets and the Phoenix Suns during the 1992 -- 93 NBA season.
Document 10: Robert Lee Vann: He was born in Ahoskie, North Carolina, the son of Lucy Peoples and an unknown father. He graduated as valedictorian of Waters Training School in Winton, North Carolina, in 1901, and attended Wayland Academy and Virginia Union University in Richmond, Virginia, from 1901 to 1903. He then attended Western University of Pennsylvania, (now the University of Pittsburgh) and graduated from its law school in 1909. He passed the bar examination in 1909 and married Jessie Matthews from Gettysburg, Pennsylvania, on February 17, 1919.
Document 11: Darryl Dawkins: Darryl Dawkins (January 11, 1957 – August 27, 2015) was an American professional basketball player, most noted for his days with the National Basketball Association's Philadelphia 76ers and New Jersey Nets, although he also played briefly for the Detroit Pistons and Utah Jazz late in his career. His nickname, "Chocolate Thunder", was bestowed upon him by Stevie Wonder. He was known for his powerful dunks, which led to the NBA adopting breakaway rims due to his shattering the backboard on two occasions in 1979.
Document 12: Duane Ferrell: Duane Ferrell was never drafted but found his way into the NBA after being signed as a free agent by the Atlanta Hawks in 1988.
Document 13: 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 14: James Davis (cornerback): James Steven Davis (born June 12, 1957 in Los Angeles, California) is a former American football cornerback with the Los Angeles Raiders of the National Football League. He attended Southern University.
Document 15: Roberts Vaux: He was born in Philadelphia, Pennsylvania, the eldest son of a well-known Quaker family (Richard and Anne Roberts Vaux) and connected by marriage to another such family, the Wistars. He received his education at private schools of Philadelphia.
ground_truth: 155
sub_queries: Charles Oakley >> educated at Answer: Virginia Union University
Virginia Union University >> located in the administrative territorial entity Answer: Richmond
How far is Raleigh from Richmond ? Answer: 155