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

Distance from Williams, CA to Keystone, SD

Distance

1,330 mi

Time

23 hours 38 mins

Gas Cost

$124 - $241

There are 1,020.10 miles from Williams to Keystone in northeast direction and 1,330 miles (2,140.43 kilometers) by car, following the I-80 route.

Williams and Keystone are 23 hours 38 mins far apart, if you drive non-stop .

This is the fastest route from Williams, CA to Keystone, SD.

Please note the time difference between Williams, CA and Keystone, SD is 1 hour. The current time in Williams is 1:45 am and the current time in Keystone is 2:45 am.

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Lowest Price Rental Cars in Williams, CA

Planning on renting a car to go from Williams, CA to Keystone, SD? 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 53.43 gallons of gas to cover the route between Williams, CA and Keystone, SD.

The estimated cost of gas to go from Williams to Keystone is $174.29.

During the route, an average car will release 1,046.82 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 Keystone, SD

If you want to meet halfway between Williams, CA and Keystone, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.764427 and -111.975623, or 40º 45' 51.9372" N, 111º 58' 32.2428" W. This location is 665.22 miles away from Williams, CA and Keystone, SD and it would take approximately 11 hours 49 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is SLC, UT, situated 676 miles from Williams, CA and 669 miles from Keystone, SD. It would take 11 hours 59 mins to go from Williams to SLC and 12 hours 10 mins to go from Keystone to SLC.

Major City Closest to Halfway Point

The major city closest to the halfway point between Williams, CA and Keystone, SD is Salt Lake City, UT, situated 673 miles from Williams, CA and 659 miles from Keystone, SD. It would take 11 hours 50 mins to go from Williams to Salt Lake City and 11 hours 56 mins to go from Keystone to Salt Lake City.