Question:  Marion is approximately 50 mi north of a city that is the third-most populous what in the U.S.?

full_context: Document 1: Chicago: Chicago ( or ), officially the City of Chicago, is the third-most populous city in the United States. With over 2.7 million residents, it is also the most populous city in both the state of Illinois and the Midwestern United States. It is the county seat of Cook County. The Chicago metropolitan area, often referred to as Chicagoland, has nearly 10 million people and is the third-largest in the U.S. Chicago has often been called a global architecture capital. Chicago is considered one of the most important business centers in the world.
Document 2: Marion's Piazza: Marion's Piazza is a pizzeria chain based in Dayton, Ohio. Established in 1965 by Marion Glass, the company currently operates 9 restaurants throughout the greater Dayton area. Marion's is renowned for its unique style of pizza, characterized by its traditional preparation and small square slices. The chain is intensely popular with Dayton locals and has been awarded the title of "Best Pizza" 2 times.
Document 3: Columbus, Ohio: Columbus ( ) is the capital and largest city of the U.S. state of Ohio. It is the 14th-largest city in the United States, with a population of 860,090 as of 2016 estimates. This makes Columbus the third-most populous state capital in the United States, and the second-largest city in the Midwestern United States, after Chicago. It is the core city of the Columbus, Ohio, Metropolitan Statistical Area, which encompasses ten counties. With a population of 2,021,632, it is Ohio's third-largest metropolitan area.
Document 4: Cleveland: Cleveland ( ) is a city in the U.S. state of Ohio and the county seat of Cuyahoga County, the state's second most populous county. The city proper has a population of 388,072, making Cleveland the 51st largest city in the United States, and the second-largest city in Ohio after Columbus. Greater Cleveland ranked as the 32nd largest metropolitan area in the United States, with 2,055,612 people in 2016. The city anchors the Cleveland–Akron–Canton Combined Statistical Area, which had a population of 3,515,646 in 2010 and ranks 15th in the United States.
Document 5: Marion Mayhem: The Marion Mayhem were a professional indoor football team based in Marion, Ohio. The team was a charter member of the Great Lakes Indoor Football League (GLIFL), later renamed the Continental Indoor Football League (CIFL), joining in 2006 as an expansion team. The Mayhem were the first professional indoor football team to be based in Marion, but were the second pro football team to be based in the area since the NFL's Oorang Indians. The team folded during the 2010 season due to financial problems. The Owners of the Mayhem were Michael Burtch and Stanley Jackson. They played their home games at the Veterans Memorial Coliseum in Marion, Ohio.
Document 6: Marion, South Australia: Marion is a suburb in the City of Marion in Adelaide around 10 km south-west of the CBD. Founded as a rural village in 1838 on the banks of the Sturt River, Marion was found to have rich soil and the population expanded rapidly. Colonel William Light laid out the plan for the village, as he had done with the City of Adelaide itself.
Document 7: Columbia, South Carolina: Columbia is the capital and second largest city of the U.S. state of South Carolina, with a population estimate of 134,309 as of 2016. The city serves as the county seat of Richland County, and a portion of the city extends into neighboring Lexington County. It is the center of the Columbia metropolitan statistical area, which had a population of 767,598 as of the 2010 United States Census, growing to 817,488 by July 1, 2016, according to 2015 U.S. Census estimates. The name "Columbia" is a poetic term used for the United States, originating from the name of Christopher Columbus.
Document 8: Marion (CDP), New York: Marion is a hamlet (and census-designated place) located in the Town of Marion, Wayne County, New York, United States. The population was 1,511 at the 2010 census. Government offices for the Town of Marion are located in the hamlet.
Document 9: Marion High School (South Carolina): Marion High School is a historic school building located at Marion, Marion County, South Carolina. It was built in 1923-1924, and is a two-story, Classical Revival style brick building. The building’s main façade features baroque massing with projecting central and end pavilions. When built, the school included a gymnasium, a physics and chemistry laboratory, a domestic science department with sewing and cooking rooms, agriculture laboratory, and a commercial department. The building served as a high school until 1975, then became the home for Marion Elementary School until 1994. The building now serves as the headquarters for the Marion County School District.
Document 10: Marion Local High School (Maria Stein, Ohio): Marion Local High School is a public high school located in Maria Stein, Ohio. It currently has roughly 320 students enrolled. The students are from several surrounding communities, including Cassella, St. Rose, Osgood, Chickasaw, St. Sebastian, Yorkshire, and Maria Stein. These communities were served by a series of local one-room school houses that still stand in Chickasaw, St. Rose,St. Sebastian and Minster. In 1922 a 2-year high school was established in Maria Stein and in 1930 a 3-story brick school (named St. John's School) was completed directly across from St. John's Church. In 1955 the Marion Local Consolidated School District was established and charged with strengthening the educational opportunities for students in the 6 member communities. The Marion Local School District built a new high school, the Marion Local High School, in Maria Stein, Ohio in 1957.
Document 11: Marion, Ohio: Marion is a city in and the county seat of Marion County, Ohio, United States. The municipality is located in north-central Ohio, approximately 50 mi north of Columbus.
Document 12: Economy of Columbus, Ohio: Columbus, Ohio has a generally strong and diverse economy based on education, insurance, banking, fashion, defense, aviation, food, logistics, steel, energy, medical research, health care, hospitality, retail, and technology. Overall, it was ranked as one of the top 10 best big cities in the country in 2010, according to Relocate America, a real estate research firm. Market Watch ranked Columbus and their metro area as the No. 7 best place in the country to operate a business in 2008. The same year Ohio was ranked No. 5 in the nation for headquarters of Fortune 500 companies, with Columbus home to the most in the state. In 2007, the city was ranked No. 3 in the United States by fDi magazine for "Cities of the Future", and No. 4 for most business-friendly in the country. Columbus was ranked as the seventh strongest economy in the United States in 2006, and the best in Ohio, according to Policom Corp. In 2011 the Columbus metropolitan area's GDP was $94.7 billion, up from $90 billion in 2009, up from $85.5 billion in 2006, $75.43 billion in 2005, and $69.98 billion in 2001.
Document 13: Columbus, Indiana: Columbus is a city in and the county seat of Bartholomew County, Indiana, United States. The population was 44,061 at the 2010 census. In its built environment, the relatively small city has provided a unique place for noted Modern architecture. Located about 40 miles (64 km) south of Indianapolis, on the east fork of the White River, it is the state's 20th largest city. It is also the principal city of the Columbus, Indiana metropolitan statistical area, which encompasses all of Bartholomew County. Columbus is the birthplace of former Indiana Governor and current Vice President of the United States, Mike Pence.
Document 14: Indianapolis: Indianapolis (pronounced ), is the capital and largest city of the U.S. state of Indiana and the seat of Marion County. It is in the East North Central region of the Midwestern United States. With an estimated population of 855,164 in 2016, Indianapolis is the third most populous city in the Midwest and 15th most populous in the U.S. The city is the economic and cultural center of the Indianapolis metropolitan area, home to 2 million people, the 34th most populous metropolitan statistical area in the U.S. Its combined statistical area ranks 27th, with 2.38 million inhabitants. Indianapolis covers 368 sqmi , making it the 16th largest city by land area in the U.S.
Document 15: Ohio State University: The Ohio State University, commonly referred to as Ohio State or OSU, is a large, primarily residential, public university in Columbus, Ohio. Founded in 1870 as a land-grant university and ninth university in Ohio with the Morrill Act of 1862, the university was originally known as the Ohio Agricultural and Mechanical College (Mech). The college began with a focus on training students in various agricultural and mechanical disciplines but was developed into a comprehensive university under the direction of then Governor (later, President) Rutherford B. Hayes, and in 1878 the Ohio General Assembly passed a law changing the name to "The Ohio State University". It has since grown into the third-largest university campus in the United States. Along with its main campus in Columbus, Ohio State also operates a regional campus system with regional campuses in Lima, Mansfield, Marion, Newark, and Wooster.
ground_truth: state capital