Distance between cities › USA › Wisconsin › Eureka, WI › Distance from Eureka to Casper Book Hotels

Distance from Eureka, WI to Casper, WY

Distance

1,024 mi

Time

18 hours 21 mins

Gas Cost

$95 - $186

There are 878.39 miles from Eureka to Casper in west direction and 1,024 miles (1,647.97 kilometers) by car, following the I-90 route.

Eureka and Casper are 18 hours 21 mins far apart, if you drive non-stop .

This is the fastest route from Eureka, WI to Casper, WY.

Please note the time difference between Eureka, WI and Casper, WY is 1 hour. The current time in Eureka is 2:31 am and the current time in Casper is 1:31 am.

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Lowest Price Rental Cars in Eureka, WI

Planning on renting a car to go from Eureka, WI to Casper, WY? Here there are some offers to rent a car in Eureka, WI

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Eureka »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 41.12 gallons of gas to cover the route between Eureka, WI and Casper, WY.

The estimated cost of gas to go from Eureka to Casper is $134.13.

During the route, an average car will release 805.60 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 Eureka, WI and Casper, WY

If you want to meet halfway between Eureka, WI and Casper, WY or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.691666 and -98.042677, or 43º 41' 29.9976" N, 98º 2' 33.6372" W. This location is 511.93 miles away from Eureka, WI and Casper, WY and it would take approximately 9 hours 10 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mitchell, SD, situated 501 miles from Eureka, WI and 525 miles from Casper, WY. It would take 9 hours 24 mins to go from Eureka to Mitchell and 9 hours 5 mins to go from Casper to Mitchell.