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

Distance from Williams, CA to Gilroy, CA

Distance

174 mi

Time

3 hours 18 mins

Gas Cost

$26 - $51

There are 151.79 miles from Williams to Gilroy in southeast direction and 174 miles (280.03 kilometers) by car, following the I-505 route.

Williams and Gilroy are 3 hours 18 mins far apart, if you drive non-stop .

This is the fastest route from Williams, CA to Gilroy, CA. The halfway point is Martinez, CA.

Williams, CA and Gilroy, CA are in the same time zone (PDT). Current time in both locations is 10:54 pm.

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Lowest Price Rental Cars in Williams, CA

Planning on renting a car to go from Williams, CA to Gilroy, 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 6.97 gallons of gas to cover the route between Williams, CA and Gilroy, CA.

The estimated cost of gas to go from Williams to Gilroy is $36.89.

During the route, an average car will release 136.63 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 Gilroy, CA

If you want to meet halfway between Williams, CA and Gilroy, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.031620 and -122.114166, or 38º 1' 53.832" N, 122º 6' 50.9976" W. This location is 86.82 miles away from Williams, CA and Gilroy, CA and it would take approximately 1 hour 39 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Martinez, CA, situated 89 miles from Williams, CA and 88 miles from Gilroy, CA. It would take 1 hour 24 mins to go from Williams to Martinez and 1 hour 26 mins to go from Gilroy to Martinez.

Major City Closest to Halfway Point

The major city closest to the halfway point between Williams, CA and Gilroy, CA is San Francisco, CA, situated 113 miles from Williams, CA and 79 miles from Gilroy, CA. It would take 1 hour 47 mins to go from Williams to and 1 hour 17 mins to go from Gilroy to San Francisco.