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How far is Decatur, IL, from Gillette, WY?

The distance between Gillette (Gillette–Campbell County Airport) and Decatur (Decatur Airport) is 910 miles / 1464 kilometers / 791 nautical miles.

The driving distance from Gillette (GCC) to Decatur (DEC) is 1100 miles / 1771 kilometers, and travel time by car is about 19 hours 31 minutes.

Gillette–Campbell County Airport – Decatur Airport

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910
Miles
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1464
Kilometers
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791
Nautical miles

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Distance from Gillette to Decatur

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

Vincenty's formula (applied above)
  • 909.995 miles
  • 1464.495 kilometers
  • 790.764 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
  • 908.006 miles
  • 1461.295 kilometers
  • 789.036 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 Gillette to Decatur?

The estimated flight time from Gillette–Campbell County Airport to Decatur Airport is 2 hours and 13 minutes.

Flight carbon footprint between Gillette–Campbell County Airport (GCC) and Decatur Airport (DEC)

On average, flying from Gillette to Decatur generates about 144 kg of CO2 per passenger, and 144 kilograms equals 318 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Gillette to Decatur

See the map of the shortest flight path between Gillette–Campbell County Airport (GCC) and Decatur Airport (DEC).

Airport information

Origin Gillette–Campbell County Airport
City: Gillette, WY
Country: United States Flag of United States
IATA Code: GCC
ICAO Code: KGCC
Coordinates: 44°20′56″N, 105°32′20″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