How far is Great Falls from Oklahoma City?
There are several ways to calculate distances between Oklahoma City and Great Falls. Here are two common methods:Vincenty's formula (applied above)
- 1095.427 miles
- 1762.920 kilometers
- 951.900 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 1095.001 miles
- 1762.234 kilometers
- 951.530 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).
Estimated flight time from Will Rogers World Airport (OKC) to Great Falls International Airport (GTF) is 2 hours 34 minutes.
Time difference and current local times
The time difference between Oklahoma City and Great Falls is 1 hour. Great Falls is 1 hour behind Oklahoma City.
Oklahoma City, OK
Great Falls, MT
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 156 kg (345 pounds).
Oklahoma City to Great Falls flight map.
Frequent Flyer Miles Calculator
Oklahoma City (OKC) → Great Falls (GTF).