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How far is Decatur, IL, from Thule?

The distance between Thule (Thule Air Base) and Decatur (Decatur Airport) is 2611 miles / 4203 kilometers / 2269 nautical miles.

Thule Air Base – Decatur Airport

Distance arrow
2611
Miles
Distance arrow
4203
Kilometers
Distance arrow
2269
Nautical miles

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Distance from Thule to Decatur

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

Vincenty's formula (applied above)
  • 2611.460 miles
  • 4202.738 kilometers
  • 2269.297 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
  • 2607.235 miles
  • 4195.938 kilometers
  • 2265.625 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 Thule to Decatur?

The estimated flight time from Thule Air Base to Decatur Airport is 5 hours and 26 minutes.

Flight carbon footprint between Thule Air Base (THU) and Decatur Airport (DEC)

On average, flying from Thule to Decatur generates about 288 kg of CO2 per passenger, and 288 kilograms equals 635 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Thule to Decatur

See the map of the shortest flight path between Thule Air Base (THU) and Decatur Airport (DEC).

Airport information

Origin Thule Air Base
City: Thule
Country: Greenland Flag of Greenland
IATA Code: THU
ICAO Code: BGTL
Coordinates: 76°31′52″N, 68°42′11″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