Distance between cities › USA › California › Camp Pendleton, CA › Distance from Camp Pendleton to San Marcos Book Hotels

Distance from Camp Pendleton, CA to San Marcos, CA

Distance

19 mi

Time

25 minutes

Gas Cost

$3 - $6

Helpful Inaccurate

There are 13.78 miles from Camp Pendleton to San Marcos in southeast direction and 19 miles (30.58 kilometers) by car, following the CA 78 route.

Camp Pendleton and San Marcos are 25 minutes far apart, if you drive non-stop .

This is the fastest route from Camp Pendleton, CA to San Marcos, CA.

Camp Pendleton, CA and San Marcos, CA are in the same time zone (PDT). Current time in both locations is 2:16 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Camp Pendleton, CA to San Marcos, CA:

Lowest Price Rental Cars in Camp Pendleton, CA

Planning on renting a car to go from Camp Pendleton, CA to San Marcos, CA? Here there are some offers to rent a car in Camp Pendleton, CA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Camp Pendleton »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 0.76 gallons of gas to cover the route between Camp Pendleton, CA and San Marcos, CA.

The estimated cost of gas to go from Camp Pendleton to San Marcos is $4.08.

During the route, an average car will release 14.98 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $5.34 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Camp Pendleton, CA and San Marcos, CA

If you want to meet halfway between Camp Pendleton, CA and San Marcos, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 33.183727 and -117.290726, or 33º 11' 1.4172" N, 117º 17' 26.6136" W. This location is 9.52 miles away from Camp Pendleton, CA and San Marcos, CA and it would take approximately 13 minutes to reach the halfway point from both locations.