How far is Great Falls, MT, from Quincy, IL?
The distance between Quincy (Quincy Regional Airport) and Great Falls (Great Falls International Airport) is 1132 miles / 1822 kilometers / 984 nautical miles.
The driving distance from Quincy (UIN) to Great Falls (GTF) is 1415 miles / 2278 kilometers, and travel time by car is about 26 hours 7 minutes.
Quincy Regional Airport – Great Falls International Airport
Search flights
Distance from Quincy to Great Falls
There are several ways to calculate the distance from Quincy to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1131.915 miles
- 1821.641 kilometers
- 983.608 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- 1129.687 miles
- 1818.055 kilometers
- 981.671 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 Quincy to Great Falls?
The estimated flight time from Quincy Regional Airport to Great Falls International Airport is 2 hours and 38 minutes.
What is the time difference between Quincy and Great Falls?
The time difference between Quincy and Great Falls is 1 hour. Great Falls is 1 hour behind Quincy.
Flight carbon footprint between Quincy Regional Airport (UIN) and Great Falls International Airport (GTF)
On average, flying from Quincy to Great Falls generates about 158 kg of CO2 per passenger, and 158 kilograms equals 349 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Quincy to Great Falls
See the map of the shortest flight path between Quincy Regional Airport (UIN) and Great Falls International Airport (GTF).
Airport information
| Origin | Quincy Regional Airport |
|---|---|
| City: | Quincy, IL |
| Country: | United States  |
| IATA Code: | UIN |
| ICAO Code: | KUIN |
| Coordinates: | 39°56′33″N, 91°11′40″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 |