How far is Great Falls, MT, from Roanoke, VA?
The distance between Roanoke (Roanoke–Blacksburg Regional Airport) and Great Falls (Great Falls International Airport) is 1737 miles / 2796 kilometers / 1509 nautical miles.
The driving distance from Roanoke (ROA) to Great Falls (GTF) is 2044 miles / 3289 kilometers, and travel time by car is about 38 hours 12 minutes.
Roanoke–Blacksburg Regional Airport – Great Falls International Airport
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Distance from Roanoke to Great Falls
There are several ways to calculate the distance from Roanoke to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1737.049 miles
- 2795.510 kilometers
- 1509.454 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- 1733.514 miles
- 2789.820 kilometers
- 1506.382 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 Roanoke to Great Falls?
The estimated flight time from Roanoke–Blacksburg Regional Airport to Great Falls International Airport is 3 hours and 47 minutes.
What is the time difference between Roanoke and Great Falls?
Flight carbon footprint between Roanoke–Blacksburg Regional Airport (ROA) and Great Falls International Airport (GTF)
On average, flying from Roanoke to Great Falls generates about 195 kg of CO2 per passenger, and 195 kilograms equals 431 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Roanoke to Great Falls
See the map of the shortest flight path between Roanoke–Blacksburg Regional Airport (ROA) and Great Falls International Airport (GTF).
Airport information
| Origin | Roanoke–Blacksburg Regional Airport |
|---|---|
| City: | Roanoke, VA |
| Country: | United States  |
| IATA Code: | ROA |
| ICAO Code: | KROA |
| Coordinates: | 37°19′31″N, 79°58′31″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 |