There are 369.74 miles from Belle Fourche to Castle Rock in south direction and 452 miles (727.42 kilometers) by car, following the US-85 route.
Belle Fourche and Castle Rock are 6 hours 52 mins far apart, if you drive non-stop .
This is the fastest route from Belle Fourche, SD to Castle Rock, CO. The halfway point is Glendo, WY.
Belle Fourche, SD and Castle Rock, CO are in the same time zone (MDT). Current time in both locations is 8:05 pm.
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