There are 843.76 miles from Belfast to De Smet in northwest direction and 1,069 miles (1,720.39 kilometers) by car, following the I-70 W route.
Belfast and De Smet are 16 hours 14 mins far apart, if you drive non-stop .
This is the fastest route from Belfast, TN to De Smet, SD.
Belfast, TN and De Smet, SD are in the same time zone (CDT). Current time in both locations is 8:43 pm.
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