Distance between cities › USA › Missouri › Thayer, MO › Distance from Thayer to Casper Book Hotels

Distance from Thayer, MO to Casper, WY

Distance

1,114 mi

Time

20 hours 4 mins

Gas Cost

$105 - $204

There are 897.59 miles from Thayer to Casper in northwest direction and 1,114 miles (1,792.81 kilometers) by car, following the I-80 route.

Thayer and Casper are 20 hours 4 mins far apart, if you drive non-stop .

This is the fastest route from Thayer, MO to Casper, WY.

Please note the time difference between Thayer, MO and Casper, WY is 1 hour. The current time in Thayer is 2:46 am and the current time in Casper is 1:46 am.

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Lowest Price Rental Cars in Thayer, MO

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Thayer »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 44.72 gallons of gas to cover the route between Thayer, MO and Casper, WY.

The estimated cost of gas to go from Thayer to Casper is $147.18.

During the route, an average car will release 876.17 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 $3.29 per gallon of regular gas. Price last updated on March 13, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Thayer, MO and Casper, WY

If you want to meet halfway between Thayer, MO 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 40.821252 and -98.291886, or 40º 49' 16.5072" N, 98º 17' 30.7896" W. This location is 556.78 miles away from Thayer, MO and Casper, WY and it would take approximately 10 hours 2 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Doniphan, NE, situated 586 miles from Thayer, MO and 536 miles from Casper, WY. It would take 11 hours 18 mins to go from Thayer to Doniphan and 8 hours 58 mins to go from Casper to Doniphan.