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

Distance from Walnut, IL to Fishtail, MT

Distance

1,219 mi

Time

21 hours 41 mins

Gas Cost

$114 - $221

There are 1,030.49 miles from Walnut to Fishtail in northwest direction and 1,219 miles (1,961.79 kilometers) by car, following the I-90 route.

Walnut and Fishtail are 21 hours 41 mins far apart, if you drive non-stop .

This is the fastest route from Walnut, IL to Fishtail, MT.

Please note the time difference between Walnut, IL and Fishtail, MT is 1 hour. The current time in Walnut is 8:35 pm and the current time in Fishtail is 7:35 pm.

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Lowest Price Rental Cars in Walnut, IL

Planning on renting a car to go from Walnut, IL to Fishtail, MT? 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 48.94 gallons of gas to cover the route between Walnut, IL and Fishtail, MT.

The estimated cost of gas to go from Walnut to Fishtail is $159.65.

During the route, an average car will release 958.88 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 Fishtail, MT

If you want to meet halfway between Walnut, IL and Fishtail, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.752243 and -99.120155, or 43º 45' 8.0748" N, 99º 7' 12.558" W. This location is 609.33 miles away from Walnut, IL and Fishtail, MT and it would take approximately 10 hours 50 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Pukwana, SD, situated 629 miles from Walnut, IL and 594 miles from Fishtail, MT. It would take 11 hours 24 mins to go from Walnut to Pukwana and 10 hours 25 mins to go from Fishtail to Pukwana.