There are 61.49 miles from Posen to Au Sable in southeast direction and 76 miles (122.31 kilometers) by car, following the US-23 route.
Posen and Au Sable are 1 hour 51 mins far apart, if you drive non-stop .
This is the fastest route from Posen, MI to Au Sable, MI. The halfway point is Ossineke, MI.
Posen, MI and Au Sable, MI are in the same time zone (EDT). Current time in both locations is 6:31 am.
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