How far is Great Falls, MT, from Redmond, OR?
The distance between Redmond (Roberts Field) and Great Falls (Great Falls International Airport) is 521 miles / 839 kilometers / 453 nautical miles.
The driving distance from Redmond (RDM) to Great Falls (GTF) is 736 miles / 1185 kilometers, and travel time by car is about 14 hours 14 minutes.
Roberts Field – Great Falls International Airport
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Distance from Redmond to Great Falls
There are several ways to calculate the distance from Redmond to Great Falls. 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 Redmond to Great Falls?
The estimated flight time from Roberts Field to Great Falls International Airport is 1 hour and 29 minutes.
What is the time difference between Redmond and Great Falls?
Flight carbon footprint between Roberts Field (RDM) and Great Falls International Airport (GTF)
On average, flying from Redmond to Great Falls 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 Redmond to Great Falls
See the map of the shortest flight path between Roberts Field (RDM) and Great Falls International Airport (GTF).
Airport information
| Origin | Roberts Field |
|---|---|
| City: | Redmond, OR |
| Country: | United States  |
| IATA Code: | RDM |
| ICAO Code: | KRDM |
| Coordinates: | 44°15′14″N, 121°9′0″W |
| Destination | 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 |