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

Distance from Williams, CA to Sequim, WA

Distance

735 mi

Time

14 hours 28 mins

Gas Cost

$69 - $133

There are 618.48 miles from Williams to Sequim in north direction and 735 miles (1,182.87 kilometers) by car, following the I-5 route.

Williams and Sequim are 14 hours 28 mins far apart, if you drive non-stop .

This is the fastest route from Williams, CA to Sequim, WA. The halfway point is Yoncalla, OR.

Williams, CA and Sequim, WA are in the same time zone (PDT). Current time in both locations is 12:22 am.

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Lowest Price Rental Cars in Williams, CA

Planning on renting a car to go from Williams, CA to Sequim, WA? 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 29.52 gallons of gas to cover the route between Williams, CA and Sequim, WA.

The estimated cost of gas to go from Williams to Sequim is $96.29.

During the route, an average car will release 578.35 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Williams, CA and Sequim, WA

If you want to meet halfway between Williams, CA and Sequim, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.554970 and -123.298096, or 43º 33' 17.892" N, 123º 17' 53.1456" W. This location is 367.52 miles away from Williams, CA and Sequim, WA and it would take approximately 7 hours 14 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Yoncalla, OR, situated 373 miles from Williams, CA and 367 miles from Sequim, WA. It would take 5 hours 45 mins to go from Williams to Yoncalla and 6 hours 9 mins to go from Sequim to Yoncalla.