Distance between cities › USA › South Dakota › Dewey, SD › Distance from Dewey to Cass Book Hotels

Distance from Dewey, SD to Cass, WV

Distance

1,649 mi

Time

1 day 6 hours

Gas Cost

$154 - $299

There are 1,302.58 miles from Dewey to Cass in southeast direction and 1,649 miles (2,653.81 kilometers) by car, following the I-90 and US-14 route.

Dewey and Cass are 1 day 6 hours far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Cass, WV.

Please note the time difference between Dewey, SD and Cass, WV is 2 hours. The current time in Dewey is 6:42 am and the current time in Cass is 8:42 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Cass, WV? Here there are some offers to rent a car in Dewey, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Dewey »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 66.21 gallons of gas to cover the route between Dewey, SD and Cass, WV.

The estimated cost of gas to go from Dewey to Cass is $215.97.

During the route, an average car will release 1,297.16 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 Dewey, SD and Cass, WV

If you want to meet halfway between Dewey, SD and Cass, WV or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.824553 and -90.08463, or 43º 49' 28.3908" N, 90º 5' 4.668" W. This location is 824.30 miles away from Dewey, SD and Cass, WV and it would take approximately 15 hours 15 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mauston, WI, situated 790 miles from Dewey, SD and 861 miles from Cass, WV. It would take 14 hours 4 mins to go from Dewey to Mauston and 16 hours 31 mins to go from Cass to Mauston.