There are 80.36 miles from Mackinac Island to Alpena in southeast direction and 102 miles (164.15 kilometers) by car and ferry, following the US-23 route.
Mackinac Island and Alpena are 3 hours 11 mins far apart, if you drive non-stop for 2 hours 22 mins and take a ferry for 48 minutes .
This is the fastest route from Mackinac Island, MI to Alpena, MI. The halfway point is Ocqueoc, MI.
Mackinac Island, MI and Alpena, MI are in the same time zone (EDT). Current time in both locations is 5:03 am.
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