How far is Decatur, IL, from Kalispell, MT?
The distance between Kalispell (Glacier Park International Airport) and Decatur (Decatur Airport) is 1384 miles / 2228 kilometers / 1203 nautical miles.
The driving distance from Kalispell (FCA) to Decatur (DEC) is 1695 miles / 2728 kilometers, and travel time by car is about 30 hours 41 minutes.
Glacier Park International Airport – Decatur Airport
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Distance from Kalispell to Decatur
There are several ways to calculate the distance from Kalispell to Decatur. Here are two standard methods:
Vincenty's formula (applied above)- 1384.171 miles
- 2227.607 kilometers
- 1202.811 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- 1381.249 miles
- 2222.905 kilometers
- 1200.273 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 Kalispell to Decatur?
The estimated flight time from Glacier Park International Airport to Decatur Airport is 3 hours and 7 minutes.
What is the time difference between Kalispell and Decatur?
The time difference between Kalispell and Decatur is 1 hour. Decatur is 1 hour ahead of Kalispell.
Flight carbon footprint between Glacier Park International Airport (FCA) and Decatur Airport (DEC)
On average, flying from Kalispell to Decatur generates about 172 kg of CO2 per passenger, and 172 kilograms equals 380 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Kalispell to Decatur
See the map of the shortest flight path between Glacier Park International Airport (FCA) and Decatur Airport (DEC).
Airport information
| Origin | Glacier Park International Airport |
|---|---|
| City: | Kalispell, MT |
| Country: | United States  |
| IATA Code: | FCA |
| ICAO Code: | KGPI |
| Coordinates: | 48°18′37″N, 114°15′21″W |
| Destination | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |