How far is Decatur, IL, from Roswell, NM?
The distance between Roswell (Roswell International Air Center) and Decatur (Decatur Airport) is 979 miles / 1575 kilometers / 851 nautical miles.
The driving distance from Roswell (ROW) to Decatur (DEC) is 1111 miles / 1788 kilometers, and travel time by car is about 20 hours 9 minutes.
Roswell International Air Center – Decatur Airport
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Distance from Roswell to Decatur
There are several ways to calculate the distance from Roswell to Decatur. 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 Roswell to Decatur?
The estimated flight time from Roswell International Air Center to Decatur Airport is 2 hours and 21 minutes.
What is the time difference between Roswell and Decatur?
The time difference between Roswell and Decatur is 1 hour. Decatur is 1 hour ahead of Roswell.
Flight carbon footprint between Roswell International Air Center (ROW) and Decatur Airport (DEC)
On average, flying from Roswell to Decatur 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 Roswell to Decatur
See the map of the shortest flight path between Roswell International Air Center (ROW) and Decatur Airport (DEC).
Airport information
Origin | Roswell International Air Center |
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City: | Roswell, NM |
Country: | United States ![]() |
IATA Code: | ROW |
ICAO Code: | KROW |
Coordinates: | 33°18′5″N, 104°31′51″W |
Destination | Decatur Airport |
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City: | Decatur, IL |
Country: | United States ![]() |
IATA Code: | DEC |
ICAO Code: | KDEC |
Coordinates: | 39°50′4″N, 88°51′56″W |