There are 890.28 miles from Caledonia to Ralph in northwest direction and 1,091 miles (1,755.79 kilometers) by car and ferry, following the I-94 route.
Caledonia and Ralph are 21 hours 14 mins far apart, if you drive non-stop for 18 hours 44 mins and take a ferry for 2 hours 30 mins .
This is the fastest route from Caledonia, MI to Ralph, SD.
Please note the time difference between Caledonia, MI and Ralph, SD is 2 hours. The current time in Caledonia is 1:02 am (Mar 13) and the current time in Ralph is 11:02 pm (Mar 12).
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