Question: Which airport is farther from the nearest city, Great Falls International Airport or Tri-Cities Airport?

Context paragraphs:
Goa International Airport: Goa International Airport (IATA: GOI, ICAO: VOGO) , also known as the Dabolim airport, is the sole airport in the state of Goa, located in the city of Dabolim in Goa, India.  It operates as a civil enclave in a military airbase named INS Hansa.  It is 4 km from the nearest city Vasco da Gama, 23 km from Margao, and about 30 km from the state capital Panjim.

Tri-Cities Airport (Washington): Tri-Cities Airport (IATA: PSC, ICAO: KPSC, FAA LID: PSC) is a public airport 2 miles (3 km) northwest of Pasco, in Franklin County, Washington, USA.  It is the fourth largest commercial airport in the state of Washington, and has two runways.  PSC covers 2,235 acres (904 ha) of land.

120th Airlift Wing: The 120th Airlift Wing (120 AW) is a unit of the Montana Air National Guard, stationed at Great Falls Air National Guard Base at Great Falls International Airport, Montana.  If activated to federal service, the Wing is gained by the United States Air Force Air Mobility Command.

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.

Calthorpe, Norfolk: Calthorpe is a small village within the civil parish of Erpingham in the English county of Norfolk, United Kingdom.  The village is located 0.5 mi west of the village of Erpingham, 3.4 mi north of the nearest town of Aylsham and is 15.8 mi north of the nearest city of Norwich.  The nearest railway station is at Gunton for the Bittern Line which runs between Sheringham, Cromer and Norwich and is 7.8 mi from the village.  The nearest airport is Norwich International 14.2 mi south of the village.

Krvavec Ski Resort: The Krvavec Ski Resort is the second-largest Slovenian ski resort, located in the Municipality of Cerklje na Gorenjskem in the Kamnik–Savinja Alps.  The nearest city is Kranj and it is 25 km from Ljubljana.  The resort is located 10 km from Ljubljana Jože Pučnik Airport and it is the nearest ski resort to an international airport in Europe.  It has a total 30 km of ski slopes.  Today 95% of skiable area is covered with artificial snow.

Tri-Cities Regional Airport: Tri-Cities Airport (IATA: TRI, ICAO: KTRI, FAA LID: TRI) (also known as Tri-Cities Airport, TN/VA), is in Blountville, Tennessee and serves the Tri-Cities area (Bristol, Kingsport, Johnson City) of Northeast Tennessee and Southwest Virginia.  The airport is governed by the Tri-Cities Airport Authority (TCAA) whose members are appointed by the cities of Johnson City, Kingsport, Bristol (TN), Bristol (VA) and both Washington County (TN) and Sullivan County (TN).

Niagara Frontier Transportation Authority: The Niagara Frontier Transportation Authority (NFTA) is a public authority responsible for the public transportation oversight of Erie and Niagara counties in the state of New York.  The NFTA, as an authority, oversees a number of subsidiaries, including the NFTA Metro bus and rail system, the Buffalo-Niagara International Airport, the Niagara Falls International Airport and NFTA Small Boat Harbor.  The NFTA Metro bus and rail system is a multi-modal agency, utilizing various vehicle modes (diesel bus, diesel-hybrid bus, CNG bus, light rail and cut-away van), using the brand names: NFTA Metro Bus, NFTA Metro Rail, NFTA Metrolink and NFTA PAL (Para-transit Access Line).  In addition, the NFTA also owns and manages a number of properties, including the Buffalo Metropolitan Transportation Center in Downtown Buffalo (which serves as the agency's headquarters); the Niagara Falls Transportation Center on Factory Outlet Blvd. the Portage Road Transit Center in Niagara Falls; and a number of strategically located bus loops and transit centers in the Buffalo Niagara region.  Of note, many of the bus loops have been in continuous operation since the days of the International Railway Company, a predecessor to the NFTA.  Agency-wide, the NFTA employs 1,500 full-time and part-time employees.  There are three business centers that operate as the NFTA organization: Surface Transportation, which handles ground transportation throughout Erie and Niagara counties, Aviation, which handles air related business at the Buffalo-Niagara International Airport and Niagara Falls International Airport and Property Risk/Management, which operates the NFTA-Boat Harbor and handles other properties that are owned and/or operated by the NFTA.

Teyyala: Theyyala is a small town in Malappuram district in Kerala, India.  Theyyala is near the sea with the beach being only 5 km away.  The nearest Railway station is at Tanur which is 4 km away.  The nearest airport is Calicut International Airport, at a distance of 25 km, approximately.  The nearest city is Tirur which is only 9 km away and so is Kottakkal which is famous worldwide for Ayurvedic Treatments.

Niagara Falls Air Reserve Station: Niagara Falls International Airport Air Reserve Station (Niagara Falls Air Force Base c. 1955 -1971) is an Air Force Reserve Command military installation operationally-gained by the Air Mobility Command.  It is located adjacent to Niagara Falls International Airport, New York, 4.7 mi east-northeast of Niagara Falls, New York.  The station is the last "federal" USAF installation in the state, the other remaining USAF installations falling under the Air National Guard).

Supporting paragraphs: Great Falls International Airport Tri-Cities Airport (Washington)
Answer: Great Falls International Airport