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How far is St George, UT, from Decatur, IL?

The distance between Decatur (Decatur Airport) and St George (St. George Municipal Airport) is 1347 miles / 2167 kilometers / 1170 nautical miles.

The driving distance from Decatur (DEC) to St George (SGU) is 1591 miles / 2560 kilometers, and travel time by car is about 27 hours 54 minutes.

Decatur Airport – St. George Municipal Airport

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1347
Miles
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2167
Kilometers
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1170
Nautical miles

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Distance from Decatur to St George

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

Vincenty's formula (applied above)
  • 1346.518 miles
  • 2167.011 kilometers
  • 1170.092 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
  • 1343.388 miles
  • 2161.973 kilometers
  • 1167.372 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?

The estimated flight time from Decatur Airport to St. George Municipal Airport is 3 hours and 2 minutes.

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

On average, flying from Decatur to St George generates about 170 kg of CO2 per passenger, and 170 kilograms equals 374 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 St George

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

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 Municipal Airport
City: St George, UT
Country: United States Flag of United States
IATA Code: SGU
ICAO Code: KSGU
Coordinates: 37°2′11″N, 113°30′37″W