How far is Tok, AK, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Tok (Tok Junction Airport) is 1628 miles / 2619 kilometers / 1414 nautical miles.
The driving distance from Great Falls (GTF) to Tok (TKJ) is 2097 miles / 3375 kilometers, and travel time by car is about 40 hours 49 minutes.
Great Falls International Airport – Tok Junction Airport
Search flights
Distance from Great Falls to Tok
There are several ways to calculate the distance from Great Falls to Tok. Here are two standard methods:
Vincenty's formula (applied above)- 1627.551 miles
- 2619.290 kilometers
- 1414.303 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- 1623.690 miles
- 2613.075 kilometers
- 1410.948 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 Great Falls to Tok?
The estimated flight time from Great Falls International Airport to Tok Junction Airport is 3 hours and 34 minutes.
What is the time difference between Great Falls and Tok?
The time difference between Great Falls and Tok is 2 hours. Tok is 2 hours behind Great Falls.
Flight carbon footprint between Great Falls International Airport (GTF) and Tok Junction Airport (TKJ)
On average, flying from Great Falls to Tok generates about 188 kg of CO2 per passenger, and 188 kilograms equals 414 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Great Falls to Tok
See the map of the shortest flight path between Great Falls International Airport (GTF) and Tok Junction Airport (TKJ).
Airport information
| Origin | Great Falls International Airport |
|---|---|
| City: | Great Falls, MT |
| Country: | United States  |
| IATA Code: | GTF |
| ICAO Code: | KGTF |
| Coordinates: | 47°28′55″N, 111°22′15″W |
| Destination | Tok Junction Airport |
|---|---|
| City: | Tok, AK |
| Country: | United States |
| IATA Code: | TKJ |
| ICAO Code: | PFTO |
| Coordinates: | 63°19′46″N, 142°57′14″W |