There are 135.18 miles from Portland to Rapid City in north direction and 199 miles (320.26 kilometers) by car, following the US-127 N route.
Portland and Rapid City are 3 hours 20 mins far apart, if you drive non-stop .
This is the fastest route from Portland, MI to Rapid City, MI. The halfway point is Clare, MI.
Portland, MI and Rapid City, MI are in the same time zone (EDT). Current time in both locations is 8:21 pm.
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