# 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
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W

B Cavern City Air Terminal
Country: 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.

CST

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?