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How far is Glasgow, MT, from Decatur, IL?

The distance between Decatur (Decatur Airport) and Glasgow (Glasgow Valley County Airport) is 1053 miles / 1694 kilometers / 915 nautical miles.

The driving distance from Decatur (DEC) to Glasgow (GGW) is 1289 miles / 2075 kilometers, and travel time by car is about 23 hours 46 minutes.

Decatur Airport – Glasgow Valley County Airport

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1053
Miles
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1694
Kilometers
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915
Nautical miles

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Distance from Decatur to Glasgow

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

Vincenty's formula (applied above)
  • 1052.670 miles
  • 1694.109 kilometers
  • 914.745 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
  • 1050.902 miles
  • 1691.263 kilometers
  • 913.209 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 Decatur to Glasgow?

The estimated flight time from Decatur Airport to Glasgow Valley County Airport is 2 hours and 29 minutes.

Flight carbon footprint between Decatur Airport (DEC) and Glasgow Valley County Airport (GGW)

On average, flying from Decatur to Glasgow generates about 154 kg of CO2 per passenger, and 154 kilograms equals 340 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Decatur to Glasgow

See the map of the shortest flight path between Decatur Airport (DEC) and Glasgow Valley County Airport (GGW).

Airport information

Origin 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
Destination Glasgow Valley County Airport
City: Glasgow, MT
Country: United States Flag of United States
IATA Code: GGW
ICAO Code: KGGW
Coordinates: 48°12′45″N, 106°36′53″W