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

Distance from Williams, CA to Vallecito, CA

Distance

138 mi

Time

3 hours 2 mins

Gas Cost

$21 - $41

There are 116.55 miles from Williams to Vallecito in southeast direction and 138 miles (222.09 kilometers) by car, following the CA 16 route.

Williams and Vallecito are 3 hours 2 mins far apart, if you drive non-stop .

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

Williams, CA and Vallecito, CA are in the same time zone (PDT). Current time in both locations is 6:25 am.

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Lowest Price Rental Cars in Williams, CA

Planning on renting a car to go from Williams, CA to Vallecito, 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 5.52 gallons of gas to cover the route between Williams, CA and Vallecito, CA.

The estimated cost of gas to go from Williams to Vallecito is $29.47.

During the route, an average car will release 108.21 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 Vallecito, CA

If you want to meet halfway between Williams, CA and Vallecito, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.528039 and -121.331305, or 38º 31' 40.9404" N, 121º 19' 52.698" W. This location is 68.76 miles away from Williams, CA and Vallecito, CA and it would take approximately 1 hour 31 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mather, CA, situated 76 miles from Williams, CA and 69 miles from Vallecito, CA. It would take 1 hour 29 mins to go from Williams to Mather and 1 hour 46 mins to go from Vallecito to Mather.

Major City Closest to Halfway Point

The major city closest to the halfway point between Williams, CA and Vallecito, CA is Sacramento, CA, situated 59 miles from Williams, CA and 79 miles from Vallecito, CA. It would take 1 hour 6 mins to go from Williams to Sacramento and 1 hour 58 mins to go from Vallecito to Sacramento.