Map of flight path and driving directions from San Diego to Carlsbad.
Shortest flight path between San Diego International Airport (SAN) and Cavern City Air Terminal (CNM).
How far is Carlsbad from San Diego?
There are several ways to calculate distances between San Diego and Carlsbad. Here are two common 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 earth.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).
Time difference and current local times
The time difference between San Diego and Carlsbad is 1 hour. Carlsbad is 1 hour ahead of San Diego.
San Diego, CA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 130 kg (287 pounds).
Frequent Flyer Miles Calculator
San Diego (SAN) → Carlsbad (CNM).