Distance between cities › USA › Illinois › Walnut, IL › Distance from Walnut to Prospect Book Hotels

Distance from Walnut, IL to Prospect, OR

Distance

2,049 mi

Time

1 day 12 hours

Gas Cost

$191 - $371

There are 1,676.28 miles from Walnut to Prospect in west direction and 2,049 miles (3,297.55 kilometers) by car, following the I-80 route.

Walnut and Prospect are 1 day 12 hours far apart, if you drive non-stop .

This is the fastest route from Walnut, IL to Prospect, OR.

Please note the time difference between Walnut, IL and Prospect, OR is 2 hours. The current time in Walnut is 6:26 pm and the current time in Prospect is 4:26 pm.

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Lowest Price Rental Cars in Walnut, IL

Planning on renting a car to go from Walnut, IL to Prospect, OR? Here there are some offers to rent a car in Walnut, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Walnut »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 82.28 gallons of gas to cover the route between Walnut, IL and Prospect, OR.

The estimated cost of gas to go from Walnut to Prospect is $268.41.

During the route, an average car will release 1,612.08 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 Walnut, IL and Prospect, OR

If you want to meet halfway between Walnut, IL and Prospect, OR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.786794 and -107.370914, or 41º 47' 12.4584" N, 107º 22' 15.2904" W. This location is 1,024.42 miles away from Walnut, IL and Prospect, OR and it would take approximately 18 hours 18 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Rawlins, WY, situated 993 miles from Walnut, IL and 1,056 miles from Prospect, OR. It would take 17 hours 36 mins to go from Walnut to Rawlins and 19 hours 4 mins to go from Prospect to Rawlins.