Distance between cities › USA › Illinois › Rio, IL › Distance from Rio to Williston Book Hotels

Distance from Rio, IL to Williston, ND

Distance

1,043 mi

Time

18 hours 53 mins

Gas Cost

$97 - $189

There are 809.88 miles from Rio to Williston in northwest direction and 1,043 miles (1,678.55 kilometers) by car, following the I-94 route.

Rio and Williston are 18 hours 53 mins far apart, if you drive non-stop .

This is the fastest route from Rio, IL to Williston, ND.

Rio, IL and Williston, ND are in the same time zone (CDT). Current time in both locations is 12:34 am.

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Lowest Price Rental Cars in Rio, IL

Planning on renting a car to go from Rio, IL to Williston, ND? Here there are some offers to rent a car in Rio, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Rio »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 41.91 gallons of gas to cover the route between Rio, IL and Williston, ND.

The estimated cost of gas to go from Rio to Williston is $136.70.

During the route, an average car will release 821.05 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 Rio, IL and Williston, ND

If you want to meet halfway between Rio, IL and Williston, ND or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.144482 and -95.93199, or 46º 8' 40.1352" N, 95º 55' 55.164" W. This location is 521.75 miles away from Rio, IL and Williston, ND and it would take approximately 9 hours 26 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Dalton, MN, situated 558 miles from Rio, IL and 490 miles from Williston, ND. It would take 10 hours 35 mins to go from Rio to Dalton and 8 hours 27 mins to go from Williston to Dalton.