How far is Great Falls, MT, from Waterloo, IA?
The distance between Waterloo (Waterloo Regional Airport) and Great Falls (Great Falls International Airport) is 986 miles / 1587 kilometers / 857 nautical miles.
The driving distance from Waterloo (ALO) to Great Falls (GTF) is 1192 miles / 1919 kilometers, and travel time by car is about 21 hours 46 minutes.
Waterloo Regional Airport – Great Falls International Airport
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Distance from Waterloo to Great Falls
There are several ways to calculate the distance from Waterloo to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 986.321 miles
- 1587.329 kilometers
- 857.089 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- 983.963 miles
- 1583.535 kilometers
- 855.040 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 Waterloo to Great Falls?
The estimated flight time from Waterloo Regional Airport to Great Falls International Airport is 2 hours and 22 minutes.
What is the time difference between Waterloo and Great Falls?
Flight carbon footprint between Waterloo Regional Airport (ALO) and Great Falls International Airport (GTF)
On average, flying from Waterloo to Great Falls generates about 150 kg of CO2 per passenger, and 150 kilograms equals 330 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Waterloo to Great Falls
See the map of the shortest flight path between Waterloo Regional Airport (ALO) and Great Falls International Airport (GTF).
Airport information
| Origin | Waterloo Regional Airport |
|---|---|
| City: | Waterloo, IA |
| Country: | United States  |
| IATA Code: | ALO |
| ICAO Code: | KALO |
| Coordinates: | 42°33′25″N, 92°24′1″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 |