How far is Redmond, OR, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Redmond (Roberts Field) is 521 miles / 839 kilometers / 453 nautical miles.
The driving distance from Great Falls (GTF) to Redmond (RDM) is 738 miles / 1187 kilometers, and travel time by car is about 14 hours 18 minutes.
Great Falls International Airport – Roberts Field
Search flights
Distance from Great Falls to Redmond
There are several ways to calculate the distance from Great Falls to Redmond. Here are two standard methods:
Vincenty's formula (applied above)- 521.328 miles
- 838.996 kilometers
- 453.022 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- 520.158 miles
- 837.113 kilometers
- 452.005 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 Redmond?
The estimated flight time from Great Falls International Airport to Roberts Field is 1 hour and 29 minutes.
What is the time difference between Great Falls and Redmond?
The time difference between Great Falls and Redmond is 1 hour. Redmond is 1 hour behind Great Falls.
Flight carbon footprint between Great Falls International Airport (GTF) and Roberts Field (RDM)
On average, flying from Great Falls to Redmond generates about 102 kg of CO2 per passenger, and 102 kilograms equals 224 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 Redmond
See the map of the shortest flight path between Great Falls International Airport (GTF) and Roberts Field (RDM).
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 | Roberts Field |
|---|---|
| City: | Redmond, OR |
| Country: | United States |
| IATA Code: | RDM |
| ICAO Code: | KRDM |
| Coordinates: | 44°15′14″N, 121°9′0″W |