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How far is Carlsbad, NM, from San Diego, CA?

The distance between San Diego (San Diego International Airport) and Carlsbad (Cavern City Air Terminal) is 755 miles / 1214 kilometers / 656 nautical miles.

The driving distance from San Diego (SAN) to Carlsbad (CNM) is 884 miles / 1423 kilometers, and travel time by car is about 15 hours 50 minutes.

San Diego International Airport – Cavern City Air Terminal

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755
Miles
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1214
Kilometers
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656
Nautical miles

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Distance from San Diego to Carlsbad

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

Vincenty's formula (applied above)
  • 754.594 miles
  • 1214.401 kilometers
  • 655.724 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
  • 753.025 miles
  • 1211.877 kilometers
  • 654.361 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 Diego to Carlsbad?

The estimated flight time from San Diego International Airport to Cavern City Air Terminal is 1 hour and 55 minutes.

Flight carbon footprint between San Diego International Airport (SAN) and Cavern City Air Terminal (CNM)

On average, flying from San Diego to Carlsbad generates about 130 kg of CO2 per passenger, and 130 kilograms equals 287 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 Diego to Carlsbad

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

Airport information

Origin San Diego International Airport
City: San Diego, CA
Country: United States Flag of United States
IATA Code: SAN
ICAO Code: KSAN
Coordinates: 32°44′0″N, 117°11′24″W
Destination 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