Distance between cities › USA › Delaware › Dover, DE › Distance from Dover to Casper Book Hotels

Distance from Dover, DE to Casper, WY

Distance

1,902 mi

Time

1 day 10 hours

Gas Cost

$177 - $345

There are 1,616.26 miles from Dover to Casper in west direction and 1,902 miles (3,060.97 kilometers) by car, following the I-80 Express route.

Dover and Casper are 1 day 10 hours far apart, if you drive non-stop .

This is the fastest route from Dover, DE to Casper, WY. The halfway point is West Liberty, IA.

Please note the time difference between Dover, DE and Casper, WY is 2 hours. The current time in Dover is 12:14 am (Mar 13) and the current time in Casper is 10:14 pm (Mar 12).

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Lowest Price Rental Cars in Dover, DE

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Dover »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 76.39 gallons of gas to cover the route between Dover, DE and Casper, WY.

The estimated cost of gas to go from Dover to Casper is $249.18.

During the route, an average car will release 1,496.63 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 Dover, DE and Casper, WY

If you want to meet halfway between Dover, DE 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 41.644131 and -91.232246, or 41º 38' 38.8716" N, 91º 13' 56.0856" W. This location is 951.06 miles away from Dover, DE and Casper, WY and it would take approximately 17 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 West Liberty, IA, situated 978 miles from Dover, DE and 942 miles from Casper, WY. It would take 15 hours 31 mins to go from Dover to West Liberty and 13 hours 28 mins to go from Casper to West Liberty.