There are 256.66 miles from Detroit to Mackinac Island in northwest direction and 297 miles (477.98 kilometers) by car and ferry, following the I-375 N route.
Detroit and Mackinac Island are 4 hours 57 mins far apart, if you drive non-stop for 4 hours 9 mins and take a ferry for 48 minutes .
This is the fastest route from Detroit, MI to Mackinac Island, MI. The halfway point is Alger, MI.
Detroit, MI and Mackinac Island, MI are in the same time zone (EDT). Current time in both locations is 4:55 am.
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