There are 168.48 miles from Portland to Alpena in northeast direction and 251 miles (403.95 kilometers) by car, following the I-75 N and US-23 N route.
Portland and Alpena are 4 hours 26 mins far apart, if you drive non-stop.
This is the fastest route from Portland, MI to Alpena, MI. The halfway point is Kawkawlin, MI.
Portland, MI and Alpena, MI are in the same time zone (EDT). Current time in both locations is 5:04 am.
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