Air Miles Calculator

Distance between St Louis, MO (STL) and Carlsbad, NM (CNM)

Flight distance from St Louis to Carlsbad (St. Louis Lambert International Airport – Cavern City Air Terminal) is 898 miles / 1444 kilometers / 780 nautical miles. Estimated flight time is 2 hours 11 minutes.

Driving distance from St Louis (STL) to Carlsbad (CNM) is 1033 miles / 1663 kilometers and travel time by car is about 17 hours 46 minutes.

Map of flight path and driving directions from St Louis to Carlsbad.

Shortest flight path between St. Louis Lambert International Airport (STL) and Cavern City Air Terminal (CNM).

How far is Carlsbad from St Louis?

There are several ways to calculate distances between St Louis and Carlsbad. Here are two common methods:

Vincenty's formula (applied above)
  • 897.515 miles
  • 1444.410 kilometers
  • 779.919 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 896.468 miles
  • 1442.725 kilometers
  • 779.009 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).

Airport information


A St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W

B 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

Time difference and current local times

The time difference between St Louis and Carlsbad is 1 hour. Carlsbad is 1 hour behind St Louis.

Time Difference

St Louis, MO

 CST

Carlsbad, NM

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 143 kg (316 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Carlsbad (CNM).

Distance:
898
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
898

Round trip?