There are 234.12 miles from Portland to Armstrong in southwest direction and 320 miles (514.99 kilometers) by car, following the I-57 S route.
Portland and Armstrong are 5 hours 23 mins far apart, if you drive non-stop .
This is the fastest route from Portland, MI to Armstrong, IL. The halfway point is Trail Creek, IN.
Please note the time difference between Portland, MI and Armstrong, IL is 1 hour. The current time in Portland is 11:10 am and the current time in Armstrong is 10:10 am.
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