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How far is San Antonio, TX, from Carlsbad, NM?

The distance between Carlsbad (Cavern City Air Terminal) and San Antonio (San Antonio International Airport) is 394 miles / 635 kilometers / 343 nautical miles.

The driving distance from Carlsbad (CNM) to San Antonio (SAT) is 452 miles / 727 kilometers, and travel time by car is about 7 hours 42 minutes.

Cavern City Air Terminal – San Antonio International Airport

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394
Miles
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635
Kilometers
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343
Nautical miles

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Distance from Carlsbad to San Antonio

There are several ways to calculate the distance from Carlsbad to San Antonio. 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 Carlsbad to San Antonio?

The estimated flight time from Cavern City Air Terminal to San Antonio International Airport is 1 hour and 14 minutes.

Flight carbon footprint between Cavern City Air Terminal (CNM) and San Antonio International Airport (SAT)

On average, flying from Carlsbad to San Antonio 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 Carlsbad to San Antonio

See the map of the shortest flight path between Cavern City Air Terminal (CNM) and San Antonio International Airport (SAT).

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 San Antonio International Airport
City: San Antonio, TX
Country: United States Flag of United States
IATA Code: SAT
ICAO Code: KSAT
Coordinates: 29°32′1″N, 98°28′11″W