There are 139.04 miles from Greenwood to Alpena in northwest direction and 246 miles (395.90 kilometers) by car, following the I-75 N and US-23 N route.
Greenwood and Alpena are 4 hours 48 mins far apart, if you drive non-stop.
This is the fastest route from Greenwood, MI to Alpena, MI. The halfway point is Linwood, MI.
Greenwood, MI and Alpena, MI are in the same time zone (EDT). Current time in both locations is 9:30 pm.
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