There are 290.44 miles from Union Pier to Foster City in north direction and 414 miles (666.27 kilometers) by car, following the I-41 and US-41 route.
Union Pier and Foster City are 7 hours 16 mins far apart, if you drive non-stop .
This is the fastest route from Union Pier, MI to Foster City, MI. The halfway point is Allenton, WI.
Please note the time difference between Union Pier, MI and Foster City, MI is 1 hour. The current time in Union Pier is 12:08 pm and the current time in Foster City is 11:08 am.
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