How far is Carlsbad, NM, from San Antonio, TX?
The distance between San Antonio (San Antonio International Airport) and Carlsbad (Cavern City Air Terminal) is 394 miles / 635 kilometers / 343 nautical miles.
The driving distance from San Antonio (SAT) to Carlsbad (CNM) is 451 miles / 726 kilometers, and travel time by car is about 7 hours 42 minutes.
San Antonio International Airport – Cavern City Air Terminal
Search flights
Distance from San Antonio to Carlsbad
There are several ways to calculate the distance from San Antonio to Carlsbad. Here are two standard methods:
Vincenty's formula (applied above)- 394.440 miles
- 634.790 kilometers
- 342.759 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- 394.119 miles
- 634.274 kilometers
- 342.480 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 San Antonio to Carlsbad?
The estimated flight time from San Antonio International Airport to Cavern City Air Terminal is 1 hour and 14 minutes.
What is the time difference between San Antonio and Carlsbad?
Flight carbon footprint between San Antonio International Airport (SAT) and Cavern City Air Terminal (CNM)
On average, flying from San Antonio to Carlsbad generates about 83 kg of CO2 per passenger, and 83 kilograms equals 183 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from San Antonio to Carlsbad
See the map of the shortest flight path between San Antonio International Airport (SAT) and Cavern City Air Terminal (CNM).
Airport information
| Origin | San Antonio International Airport |
|---|---|
| City: | San Antonio, TX |
| Country: | United States  |
| IATA Code: | SAT |
| ICAO Code: | KSAT |
| Coordinates: | 29°32′1″N, 98°28′11″W |
| Destination | Cavern City Air Terminal |
|---|---|
| City: | Carlsbad, NM |
| Country: | United States |
| IATA Code: | CNM |
| ICAO Code: | KCNM |
| Coordinates: | 32°20′15″N, 104°15′46″W |