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How far is Great Falls, MT, from Texarkana, AR?

The distance between Texarkana (Texarkana Regional Airport) and Great Falls (Great Falls International Airport) is 1327 miles / 2135 kilometers / 1153 nautical miles.

The driving distance from Texarkana (TXK) to Great Falls (GTF) is 1739 miles / 2799 kilometers, and travel time by car is about 31 hours 35 minutes.

Texarkana Regional Airport – Great Falls International Airport

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1327
Miles
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2135
Kilometers
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1153
Nautical miles

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Distance from Texarkana to Great Falls

There are several ways to calculate the distance from Texarkana to Great Falls. Here are two standard methods:

Vincenty's formula (applied above)
  • 1326.513 miles
  • 2134.816 kilometers
  • 1152.708 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 1325.913 miles
  • 2133.850 kilometers
  • 1152.187 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Texarkana to Great Falls?

The estimated flight time from Texarkana Regional Airport to Great Falls International Airport is 3 hours and 0 minutes.

Flight carbon footprint between Texarkana Regional Airport (TXK) and Great Falls International Airport (GTF)

On average, flying from Texarkana to Great Falls generates about 169 kg of CO2 per passenger, and 169 kilograms equals 372 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Texarkana to Great Falls

See the map of the shortest flight path between Texarkana Regional Airport (TXK) and Great Falls International Airport (GTF).

Airport information

Origin Texarkana Regional Airport
City: Texarkana, AR
Country: United States Flag of United States
IATA Code: TXK
ICAO Code: KTXK
Coordinates: 33°27′13″N, 93°59′27″W
Destination Great Falls International Airport
City: Great Falls, MT
Country: United States Flag of United States
IATA Code: GTF
ICAO Code: KGTF
Coordinates: 47°28′55″N, 111°22′15″W