There are 286.25 miles from Dewey to Alpena in east direction and 381 miles (613.16 kilometers) by car, following the I-90 and US-14 route.
Dewey and Alpena are 7 hours 11 mins far apart, if you drive non-stop .
This is the fastest route from Dewey, SD to Alpena, SD. The halfway point is Belvidere, SD.
Please note the time difference between Dewey, SD and Alpena, SD is 1 hour. The current time in Dewey is 12:20 am and the current time in Alpena is 1:20 am.
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