How far is Waterloo, IA, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Waterloo (Waterloo Regional Airport) is 986 miles / 1587 kilometers / 857 nautical miles.
The driving distance from Great Falls (GTF) to Waterloo (ALO) is 1193 miles / 1920 kilometers, and travel time by car is about 21 hours 48 minutes.
Great Falls International Airport – Waterloo Regional Airport
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Distance from Great Falls to Waterloo
There are several ways to calculate the distance from Great Falls to Waterloo. 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 Great Falls to Waterloo?
The estimated flight time from Great Falls International Airport to Waterloo Regional Airport is 2 hours and 22 minutes.
What is the time difference between Great Falls and Waterloo?
Flight carbon footprint between Great Falls International Airport (GTF) and Waterloo Regional Airport (ALO)
On average, flying from Great Falls to Waterloo 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 Great Falls to Waterloo
See the map of the shortest flight path between Great Falls International Airport (GTF) and Waterloo Regional Airport (ALO).
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 | Waterloo Regional Airport |
|---|---|
| City: | Waterloo, IA |
| Country: | United States |
| IATA Code: | ALO |
| ICAO Code: | KALO |
| Coordinates: | 42°33′25″N, 92°24′1″W |