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

Distance from Williams, CA to Fullerton, CA

Distance

468 mi

Time

8 hours 36 mins

Gas Cost

$71 - $137

There are 433.86 miles from Williams to Fullerton in southeast direction and 468 miles (753.17 kilometers) by car, following the I-5 route.

Williams and Fullerton are 8 hours 36 mins far apart, if you drive non-stop .

This is the fastest route from Williams, CA to Fullerton, CA. The halfway point is Cantua Creek, CA.

Williams, CA and Fullerton, CA are in the same time zone (PDT). Current time in both locations is 8:02 pm.

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Lowest Price Rental Cars in Williams, CA

Planning on renting a car to go from Williams, CA to Fullerton, 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 18.78 gallons of gas to cover the route between Williams, CA and Fullerton, CA.

The estimated cost of gas to go from Williams to Fullerton is $99.33.

During the route, an average car will release 367.89 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 Williams, CA and Fullerton, CA

If you want to meet halfway between Williams, CA and Fullerton, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 36.357784 and -120.335587, or 36º 21' 28.0224" N, 120º 20' 8.1132" W. This location is 233.78 miles away from Williams, CA and Fullerton, CA and it would take approximately 4 hours 18 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Cantua Creek, CA, situated 237 miles from Williams, CA and 248 miles from Fullerton, CA. It would take 3 hours 42 mins to go from Williams to Cantua Creek and 4 hours 1 min to go from Fullerton to Cantua Creek.