Question: Is McGhee Tyson Airport or Bemidji Regional Airport further west?
Context: The 151st Air Refueling Squadron (151 ARS) is a unit of the Tennessee Air National Guard 134th Air Refueling Wing located at McGhee Tyson Air National Guard Base, Knoxville, Tennessee.  The 151st is equipped with the KC-135R Stratotanker. McGhee Tyson ANGB is the home of the 134th Air Refueling Wing (134 ARW) of the Tennessee Air National Guard, an Air Mobility Command (AMC) gained unit which functions as the host wing for the installation.  Other tenants of the base include the 119th Command and Control Squadron the I.G. Brown Air National Guard Training and Education Center, Air National Guard Band of the South, and the 1st Squadron, 230th Armored Cavalry Regiment's Army Aviation Support Facility of the Tennessee Army National Guard, operating several OH-58 Kiowa Warrior helicopters. The United States Air Force's 119th Command and Control Squadron (119 CACS) is a space control unit located at McGhee Tyson ANGB, Tennessee.  The unit augments the operations of USSTRATCOM on a continuous basis. Bemidji Airlines (Bemidji Aviation Services Inc) is an American airline based in Bemidji, Minnesota USA.  It operates domestic cargo flights, as well as extensive charter and air taxi services.  Its main base is Bemidji Regional Airport, with a hub at Minneapolis-Saint Paul International Airport. The Sanford Center is a 4,700-seat multi-purpose arena and convention center in Bemidji, Minnesota, United States that opened in October 2010.  On October 18, 2010 the venue was renamed from the Bemidji Regional Events Center to the Sanford Center after Sanford Health Systems purchased naming rights for $2 million over ten years. McGhee Tyson Airport (IATA: TYS, ICAO: KTYS, FAA LID: TYS) is a public and military airport 12 miles south of Knoxville, in Alcoa, Blount County, Tennessee, United States.  It is named for United States Navy pilot Charles McGhee Tyson, lost on patrol in World War I. The 134th Air Refueling Wing (134 ARW) is a unit of the Tennessee Air National Guard, stationed at McGhee Tyson Air National Guard Base, Knoxville, Tennessee.  If activated for federal service, the Wing is gained by the United States Air Force Air Mobility Command.  The 134th Air Refueling Wing's KC-135 mission is to provide air refueling and airlift, as directed by the Secretary of Defense.  It has been stationed at McGhee Tyson Airport since December 1957, though the ANG facility at the airport has been redesignated several times.  Their radio callsign is "Soda" The 516th Air Defense Group is a disbanded United States Air Force organization.  Its last assignment was with the 35th Air Division at McGhee Tyson Airport, Tennessee.  It was inactivated on 18 August 1955. Bemidji Regional Airport (IATA: BJI, ICAO: KBJI, FAA LID: BJI) is a public use airport located three nautical miles (6 km) northwest of the central business district of Bemidji, a city in Beltrami County, Minnesota, United States.  It is owned by the city of Bemidji and Beltrami County. Charles McGhee Tyson (1889–1918) was an American businessman and Naval aviator from Knoxville, Tennessee.  Tyson was killed in action during a naval patrol in the North Sea near the end of the First World War.  Knoxville's McGhee Tyson Airport is named after him.
Answer: Bemidji Regional Airport