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How far is Roswell, NM, from Decatur, IL?

The distance between Decatur (Decatur Airport) and Roswell (Roswell International Air Center) is 979 miles / 1575 kilometers / 851 nautical miles.

The driving distance from Decatur (DEC) to Roswell (ROW) is 1114 miles / 1793 kilometers, and travel time by car is about 20 hours 9 minutes.

Decatur Airport – Roswell International Air Center

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979
Miles
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1575
Kilometers
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851
Nautical miles

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Distance from Decatur to Roswell

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

Vincenty's formula (applied above)
  • 978.898 miles
  • 1575.383 kilometers
  • 850.639 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
  • 977.542 miles
  • 1573.202 kilometers
  • 849.461 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 Roswell?

The estimated flight time from Decatur Airport to Roswell International Air Center is 2 hours and 21 minutes.

Flight carbon footprint between Decatur Airport (DEC) and Roswell International Air Center (ROW)

On average, flying from Decatur to Roswell generates about 149 kg of CO2 per passenger, and 149 kilograms equals 329 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 Roswell

See the map of the shortest flight path between Decatur Airport (DEC) and Roswell International Air Center (ROW).

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 Roswell International Air Center
City: Roswell, NM
Country: United States Flag of United States
IATA Code: ROW
ICAO Code: KROW
Coordinates: 33°18′5″N, 104°31′51″W