There are 397.99 miles from Portland to Ashburn in southwest direction and 494 miles (795.02 kilometers) by car, following the I-55 S route.
Portland and Ashburn are 8 hours 8 mins far apart, if you drive non-stop .
This is the fastest route from Portland, MI to Ashburn, MO. The halfway point is Channahon, IL.
Please note the time difference between Portland, MI and Ashburn, MO is 1 hour. The current time in Portland is 6:24 am and the current time in Ashburn is 5:24 am.
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