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

Distance from Williams, CA to Clearlake, CA

Distance

41 mi

Time

58 minutes

Gas Cost

$6 - $12

There are 28.97 miles from Williams to Clearlake in southwest direction and 41 miles (65.98 kilometers) by car, following the CA 20 route.

Williams and Clearlake are 58 minutes far apart, if you drive non-stop .

This is the fastest route from Williams, CA to Clearlake, CA.

Williams, CA and Clearlake, CA are in the same time zone (PDT). Current time in both locations is 7:57 pm.

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Lowest Price Rental Cars in Williams, CA

Planning on renting a car to go from Williams, CA to Clearlake, 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 1.64 gallons of gas to cover the route between Williams, CA and Clearlake, CA.

The estimated cost of gas to go from Williams to Clearlake is $8.69.

During the route, an average car will release 32.19 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 Clearlake, CA

If you want to meet halfway between Williams, CA and Clearlake, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.011990 and -122.388702, or 39º 0' 43.164" N, 122º 23' 19.3272" W. This location is 20.46 miles away from Williams, CA and Clearlake, CA and it would take approximately 29 minutes to reach the halfway point from both locations.