How far is Peoria, IL, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Peoria (General Wayne A. Downing Peoria International Airport) is 1172 miles / 1886 kilometers / 1019 nautical miles.
The driving distance from Great Falls (GTF) to Peoria (PIA) is 1406 miles / 2263 kilometers, and travel time by car is about 26 hours 9 minutes.
Great Falls International Airport – General Wayne A. Downing Peoria International Airport
Search flights
Distance from Great Falls to Peoria
There are several ways to calculate the distance from Great Falls to Peoria. Here are two standard methods:
Vincenty's formula (applied above)- 1172.139 miles
- 1886.375 kilometers
- 1018.561 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- 1169.592 miles
- 1882.276 kilometers
- 1016.347 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 Peoria?
The estimated flight time from Great Falls International Airport to General Wayne A. Downing Peoria International Airport is 2 hours and 43 minutes.
What is the time difference between Great Falls and Peoria?
The time difference between Great Falls and Peoria is 1 hour. Peoria is 1 hour ahead of Great Falls.
Flight carbon footprint between Great Falls International Airport (GTF) and General Wayne A. Downing Peoria International Airport (PIA)
On average, flying from Great Falls to Peoria generates about 160 kg of CO2 per passenger, and 160 kilograms equals 353 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 Peoria
See the map of the shortest flight path between Great Falls International Airport (GTF) and General Wayne A. Downing Peoria International Airport (PIA).
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 | General Wayne A. Downing Peoria International Airport |
|---|---|
| City: | Peoria, IL |
| Country: | United States |
| IATA Code: | PIA |
| ICAO Code: | KPIA |
| Coordinates: | 40°39′51″N, 89°41′35″W |