Which airport is farther from the nearest city, Great Falls International Airport or Tri-Cities Airport?
Great Falls International Airport Great Falls International Airport (IATA: GTF, ICAO: KGTF, FAA LID: GTF) is a public/military airport in city limits three miles southwest of central Great Falls in Cascade County, Montana.
Big Sky Airport Big Sky Airport (ICAO: KEKS, FAA LID: EKS) (also known as Ennis Big Sky Airport) is a county owned, public use airport located six nautical miles (7 mi, 11 km) southeast of the central business district of Ennis, a town in Madison County, Montana, United States. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a "general aviation" airport.