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

Distance from Dewey, SD to Chester, SD

Distance

437 mi

Time

8 hours 5 mins

Gas Cost

$39 - $76

There are 356.08 miles from Dewey to Chester in east direction and 437 miles (703.28 kilometers) by car, following the I-90 and US-14 route.

Dewey and Chester are 8 hours 5 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Chester, SD. The halfway point is Murdo, SD.

Please note the time difference between Dewey, SD and Chester, SD is 1 hour. The current time in Dewey is 6:14 am and the current time in Chester is 7:14 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Chester, 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 17.57 gallons of gas to cover the route between Dewey, SD and Chester, SD.

The estimated cost of gas to go from Dewey to Chester is $55.07.

During the route, an average car will release 344.14 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 Chester, SD

If you want to meet halfway between Dewey, SD and Chester, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.893990 and -100.667732, or 43º 53' 38.364" N, 100º 40' 3.8352" W. This location is 218.69 miles away from Dewey, SD and Chester, SD and it would take approximately 4 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 Murdo, SD, situated 225 miles from Dewey, SD and 213 miles from Chester, SD. It would take 3 hours 52 mins to go from Dewey to Murdo and 3 hours 14 mins to go from Chester to Murdo.