Distance between cities › USA › California › Williams, CA › Distance from Williams to La Mesa Book Hotels

Distance from Williams, CA to La Mesa, CA

Distance

566 mi

Time

10 hours 33 mins

Gas Cost

$86 - $168

There are 526 miles from Williams to La Mesa in southeast direction and 566 miles (910.89 kilometers) by car, following the I-5 route.

Williams and La Mesa are 10 hours 33 mins far apart, if you drive non-stop .

This is the fastest route from Williams, CA to La Mesa, CA. The halfway point is Kettleman City, CA.

Williams, CA and La Mesa, CA are in the same time zone (PDT). Current time in both locations is 12:25 am.

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Lowest Price Rental Cars in Williams, CA

Planning on renting a car to go from Williams, CA to La Mesa, CA? Here there are some offers to rent a car in Williams, CA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Williams »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 22.73 gallons of gas to cover the route between Williams, CA and La Mesa, CA.

The estimated cost of gas to go from Williams to La Mesa is $121.27.

During the route, an average car will release 445.25 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 Williams, CA and La Mesa, CA

If you want to meet halfway between Williams, CA and La Mesa, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 35.839134 and -119.857567, or 35º 50' 20.8824" N, 119º 51' 27.2412" W. This location is 282.94 miles away from Williams, CA and La Mesa, CA and it would take approximately 5 hours 16 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kettleman City, CA, situated 271 miles from Williams, CA and 298 miles from La Mesa, CA. It would take 3 hours 59 mins to go from Williams to Kettleman City and 4 hours 37 mins to go from La Mesa to Kettleman City.

Major Cities Along the Route

Some major cities along the route include El Cajon, CA,San Diego, CA,Carlsbad, CA,Oceanside, CA,Irvine, CA,Santa Ana, CA,Orange, CA,Garden Grove, CA,Anaheim, CA,Fullerton, CA,Norwalk, CA,Downey, CA,East Los Angeles, CA,Los Angeles, CA,Glendale, CA,Burbank, CA,Santa Clarita, CA,Stockton, CA, and Elk Gr.