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How far is St. George Island, AK, from Decatur, IL?

The distance between Decatur (Decatur Airport) and St. George Island (St. George Airport) is 3669 miles / 5905 kilometers / 3189 nautical miles.

Decatur Airport – St. George Airport

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3669
Miles
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5905
Kilometers
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3189
Nautical miles

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Distance from Decatur to St. George Island

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

Vincenty's formula (applied above)
  • 3669.336 miles
  • 5905.224 kilometers
  • 3188.566 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
  • 3659.646 miles
  • 5889.630 kilometers
  • 3180.146 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 St. George Island?

The estimated flight time from Decatur Airport to St. George Airport is 7 hours and 26 minutes.

Flight carbon footprint between Decatur Airport (DEC) and St. George Airport (STG)

On average, flying from Decatur to St. George Island generates about 415 kg of CO2 per passenger, and 415 kilograms equals 916 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Decatur to St. George Island

See the map of the shortest flight path between Decatur Airport (DEC) and St. George Airport (STG).

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 St. George Airport
City: St. George Island, AK
Country: United States Flag of United States
IATA Code: STG
ICAO Code: PAPB
Coordinates: 56°34′38″N, 169°39′49″W