Distance between cities › USA › Oregon › Williams, OR › Distance from Williams to Ashton Book Hotels

Distance from Williams, OR to Ashton, SD

Distance

1,800 mi

Time

1 day 8 hours

Gas Cost

$165 - $320

There are 1,249.27 miles from Williams to Ashton in east direction and 1,800 miles (2,896.82 kilometers) by car, following the I-94 route.

Williams and Ashton are 1 day 8 hours far apart, if you drive non-stop .

This is the fastest route from Williams, OR to Ashton, SD. The halfway point is Willow Creek, MT.

Please note the time difference between Williams, OR and Ashton, SD is 2 hours. The current time in Williams is 2:13 pm and the current time in Ashton is 4:13 pm.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Williams, OR to Ashton, SD:

Lowest Price Rental Cars in Williams, OR

Planning on renting a car to go from Williams, OR to Ashton, SD? Here there are some offers to rent a car in Williams, OR

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 72.27 gallons of gas to cover the route between Williams, OR and Ashton, SD.

The estimated cost of gas to go from Williams to Ashton is $231.55.

During the route, an average car will release 1,415.92 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Williams, OR and Ashton, SD

If you want to meet halfway between Williams, OR and Ashton, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.918541 and -111.776581, or 45º 55' 6.7476" N, 111º 46' 35.6916" W. This location is 899.77 miles away from Williams, OR and Ashton, SD and it would take approximately 16 hours 2 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Willow Creek, MT, situated 978 miles from Williams, OR and 895 miles from Ashton, SD. It would take 15 hours 7 mins to go from Williams to Willow Creek and 13 hours 45 mins to go from Ashton to Willow Creek.