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How far is Decatur, IL, from Oklahoma City, OK?

The distance between Oklahoma City (Will Rogers World Airport) and Decatur (Decatur Airport) is 568 miles / 915 kilometers / 494 nautical miles.

The driving distance from Oklahoma City (OKC) to Decatur (DEC) is 646 miles / 1039 kilometers, and travel time by car is about 11 hours 45 minutes.

Will Rogers World Airport – Decatur Airport

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568
Miles
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915
Kilometers
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494
Nautical miles

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Distance from Oklahoma City to Decatur

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

Vincenty's formula (applied above)
  • 568.319 miles
  • 914.622 kilometers
  • 493.856 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
  • 567.674 miles
  • 913.582 kilometers
  • 493.295 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 Oklahoma City to Decatur?

The estimated flight time from Will Rogers World Airport to Decatur Airport is 1 hour and 34 minutes.

What is the time difference between Oklahoma City and Decatur?

There is no time difference between Oklahoma City and Decatur.

Flight carbon footprint between Will Rogers World Airport (OKC) and Decatur Airport (DEC)

On average, flying from Oklahoma City to Decatur generates about 109 kg of CO2 per passenger, and 109 kilograms equals 239 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Oklahoma City to Decatur

See the map of the shortest flight path between Will Rogers World Airport (OKC) and Decatur Airport (DEC).

Airport information

Origin Will Rogers World Airport
City: Oklahoma City, OK
Country: United States Flag of United States
IATA Code: OKC
ICAO Code: KOKC
Coordinates: 35°23′35″N, 97°36′2″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