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

Distance from Dewey, SD to Alcester, SD

Distance

478 mi

Time

8 hours 31 mins

Gas Cost

$42 - $82

There are 374.29 miles from Dewey to Alcester in east direction and 478 miles (769.27 kilometers) by car, following the I-90 and US-14 route.

Dewey and Alcester are 8 hours 31 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Alcester, SD. The halfway point is Vivian, SD.

Please note the time difference between Dewey, SD and Alcester, SD is 1 hour. The current time in Dewey is 12:10 am and the current time in Alcester is 1:10 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Alcester, 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 19.22 gallons of gas to cover the route between Dewey, SD and Alcester, SD.

The estimated cost of gas to go from Dewey to Alcester is $59.51.

During the route, an average car will release 376.49 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 $3.10 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Dewey, SD and Alcester, SD

If you want to meet halfway between Dewey, SD and Alcester, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.910999 and -100.329071, or 43º 54' 39.5964" N, 100º 19' 44.6556" W. This location is 239.25 miles away from Dewey, SD and Alcester, SD and it would take approximately 4 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 Vivian, SD, situated 248 miles from Dewey, SD and 233 miles from Alcester, SD. It would take 4 hours 11 mins to go from Dewey to Vivian and 3 hours 7 mins to go from Alcester to Vivian.