Air Miles Calculator logo

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

The distance between Carlsbad (Cavern City Air Terminal) and Decatur (Decatur Airport) is 1003 miles / 1614 kilometers / 871 nautical miles.

The driving distance from Carlsbad (CNM) to Decatur (DEC) is 1166 miles / 1877 kilometers, and travel time by car is about 21 hours 23 minutes.

Cavern City Air Terminal – Decatur Airport

Distance arrow
1003
Miles
Distance arrow
1614
Kilometers
Distance arrow
871
Nautical miles

Search flights

Distance from Carlsbad to Decatur

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

Vincenty's formula (applied above)
  • 1002.700 miles
  • 1613.689 kilometers
  • 871.323 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
  • 1001.588 miles
  • 1611.900 kilometers
  • 870.356 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 Carlsbad to Decatur?

The estimated flight time from Cavern City Air Terminal to Decatur Airport is 2 hours and 23 minutes.

Flight carbon footprint between Cavern City Air Terminal (CNM) and Decatur Airport (DEC)

On average, flying from Carlsbad to Decatur generates about 151 kg of CO2 per passenger, and 151 kilograms equals 333 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Carlsbad to Decatur

See the map of the shortest flight path between Cavern City Air Terminal (CNM) and Decatur Airport (DEC).

Airport information

Origin Cavern City Air Terminal
City: Carlsbad, NM
Country: United States Flag of United States
IATA Code: CNM
ICAO Code: KCNM
Coordinates: 32°20′15″N, 104°15′46″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