Distance between cities › USA › California › Alpine, CA › Distance from Alpine to El Cajon Book Hotels

Distance from Alpine, CA to El Cajon, CA

Distance

14 mi

Time

18 minutes

Gas Cost

$2 - $4

There are 11.77 miles from Alpine to El Cajon in southwest direction and 14 miles (22.53 kilometers) by car, following the I-8 route.

Alpine and El Cajon are 18 minutes far apart, if you drive non-stop .

This is the fastest route from Alpine, CA to El Cajon, CA.

Alpine, CA and El Cajon, CA are in the same time zone (PDT). Current time in both locations is 4:11 pm.

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Lowest Price Rental Cars in Alpine, CA

Planning on renting a car to go from Alpine, CA to El Cajon, CA? Here there are some offers to rent a car in Alpine, CA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Alpine »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 0.57 gallons of gas to cover the route between Alpine, CA and El Cajon, CA.

The estimated cost of gas to go from Alpine to El Cajon is $3.03.

During the route, an average car will release 11.23 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 $5.29 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Alpine, CA and El Cajon, CA

If you want to meet halfway between Alpine, CA and El Cajon, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 32.848454 and -116.873146, or 32º 50' 54.4344" N, 116º 52' 23.3256" W. This location is 7.13 miles away from Alpine, CA and El Cajon, CA and it would take approximately 9 minutes to reach the halfway point from both locations.