Air Miles Calculator logo

How far is Decatur, IL, from Grand Junction, CO?

The distance between Grand Junction (Grand Junction Regional Airport) and Decatur (Decatur Airport) is 1050 miles / 1690 kilometers / 913 nautical miles.

The driving distance from Grand Junction (GJT) to Decatur (DEC) is 1196 miles / 1925 kilometers, and travel time by car is about 21 hours 23 minutes.

Grand Junction Regional Airport – Decatur Airport

Distance arrow
1050
Miles
Distance arrow
1690
Kilometers
Distance arrow
913
Nautical miles

Search flights

Distance from Grand Junction to Decatur

There are several ways to calculate the distance from Grand Junction to Decatur. Here are two standard methods:

Vincenty's formula (applied above)
  • 1050.178 miles
  • 1690.097 kilometers
  • 912.580 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
  • 1047.593 miles
  • 1685.938 kilometers
  • 910.334 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 Grand Junction to Decatur?

The estimated flight time from Grand Junction Regional Airport to Decatur Airport is 2 hours and 29 minutes.

Flight carbon footprint between Grand Junction Regional Airport (GJT) and Decatur Airport (DEC)

On average, flying from Grand Junction to Decatur generates about 154 kg of CO2 per passenger, and 154 kilograms equals 339 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Grand Junction to Decatur

See the map of the shortest flight path between Grand Junction Regional Airport (GJT) and Decatur Airport (DEC).

Airport information

Origin Grand Junction Regional Airport
City: Grand Junction, CO
Country: United States Flag of United States
IATA Code: GJT
ICAO Code: KGJT
Coordinates: 39°7′20″N, 108°31′37″W
Destination Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W