There are 176.30 miles from Black Rock to Arkadelphia in southwest direction and 202 miles (325.09 kilometers) by car, following the US-67 S and Future I-57 route.
Black Rock and Arkadelphia are 3 hours 35 mins far apart, if you drive non-stop .
This is the fastest route from Black Rock, AR to Arkadelphia, AR. The halfway point is Beebe, AR.
Black Rock, AR and Arkadelphia, AR are in the same time zone (CDT). Current time in both locations is 6:57 am.
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