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

Distance from Dewey, SD to Sherman, SD

Distance

454 mi

Time

8 hours 8 mins

Gas Cost

$41 - $79

There are 378.42 miles from Dewey to Sherman in east direction and 454 miles (730.64 kilometers) by car, following the I-90 and US-14 route.

Dewey and Sherman are 8 hours 8 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Sherman, SD. The halfway point is Draper, SD.

Please note the time difference between Dewey, SD and Sherman, SD is 1 hour. The current time in Dewey is 4:34 am and the current time in Sherman is 5:34 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Sherman, SD? 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 18.23 gallons of gas to cover the route between Dewey, SD and Sherman, SD.

The estimated cost of gas to go from Dewey to Sherman is $57.15.

During the route, an average car will release 357.15 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 $3.14 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Dewey, SD and Sherman, SD

If you want to meet halfway between Dewey, SD and Sherman, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.909691 and -100.486649, or 43º 54' 34.8876" N, 100º 29' 11.9364" W. This location is 226.96 miles away from Dewey, SD and Sherman, SD and it would take approximately 4 hours 4 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Draper, SD, situated 236 miles from Dewey, SD and 222 miles from Sherman, SD. It would take 4 hours 1 min to go from Dewey to Draper and 3 hours 8 mins to go from Sherman to Draper.