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

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

The driving distance from St George (SGU) to Decatur (DEC) is 1589 miles / 2558 kilometers, and travel time by car is about 27 hours 54 minutes.

St. George Municipal Airport – Decatur 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 St George to Decatur

There are several ways to calculate the distance from St George to Decatur. 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 St George to Decatur?

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

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

On average, flying from St George to Decatur 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 St George to Decatur

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

Airport information

Origin 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
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