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

Distance from Dewey, SD to Ashley, MI

Distance

1,122 mi

Time

21 hours 34 mins

Gas Cost

$105 - $203

There are 980.96 miles from Dewey to Ashley in east direction and 1,122 miles (1,805.68 kilometers) by car and ferry, following the I-90 and US-14 route.

Dewey and Ashley are 21 hours 34 mins far apart, if you drive non-stop for 19 hours 4 mins and take a ferry for 2 hours 30 mins .

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

Please note the time difference between Dewey, SD and Ashley, MI is 2 hours. The current time in Dewey is 5:09 am and the current time in Ashley is 7:09 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Ashley, 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 45.06 gallons of gas to cover the route between Dewey, SD and Ashley, MI.

The estimated cost of gas to go from Dewey to Ashley is $146.99.

During the route, an average car will release 882.84 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 Ashley, MI

If you want to meet halfway between Dewey, SD and Ashley, MI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.666234 and -94.232597, or 43º 39' 58.4424" N, 94º 13' 57.3492" W. This location is 561.01 miles away from Dewey, SD and Ashley, MI and it would take approximately 10 hours 47 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Huntley, MN, situated 563 miles from Dewey, SD and 569 miles from Ashley, MI. It would take 10 hours 5 mins to go from Dewey to Huntley and 11 hours 52 mins to go from Ashley to Huntley.