There are 515.77 miles from New Castle to Williamston in southwest direction and 621 miles (999.40 kilometers) by car, following the I-85 S route.
New Castle and Williamston are 9 hours 57 mins far apart, if you drive non-stop .
This is the fastest route from New Castle, DE to Williamston, SC.
New Castle, DE and Williamston, SC are in the same time zone (EDT). Current time in both locations is 6:01 am.
Any questions or tips to share?
Share with fellow travellers any question or tips about the route from New Castle, DE to Williamston, SC: