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

Distance from Dewey, SD to Augusta, MI

Distance

1,158 mi

Time

21 hours 2 mins

Gas Cost

$108 - $210

There are 946.98 miles from Dewey to Augusta in east direction and 1,158 miles (1,863.62 kilometers) by car, following the I-90 and US-14 route.

Dewey and Augusta are 21 hours 2 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Augusta, MI.

Please note the time difference between Dewey, SD and Augusta, MI is 2 hours. The current time in Dewey is 6:13 am and the current time in Augusta is 8:13 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Augusta, MI? 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 46.51 gallons of gas to cover the route between Dewey, SD and Augusta, MI.

The estimated cost of gas to go from Dewey to Augusta is $151.73.

During the route, an average car will release 911.32 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 Augusta, MI

If you want to meet halfway between Dewey, SD and Augusta, MI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.666 and -94.145568, or 43º 39' 57.6" N, 94º 8' 44.0448" W. This location is 579.11 miles away from Dewey, SD and Augusta, MI and it would take approximately 10 hours 31 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Blue Earth, MN, situated 566 miles from Dewey, SD and 596 miles from Augusta, MI. It would take 10 hours 5 mins to go from Dewey to Blue Earth and 11 hours 6 mins to go from Augusta to Blue Earth.