Live Chat I-85 Community Nearby Traffic Williamston Post Office (Amenity postoffice) 2024-06-15 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Williamston Post Office (Amenity Postoffice) Pelzer, SC 6.50 Belton, SC 11.79 Piedmont, SC 12.07 Interstate highway exits close to Williamston Post Office (Amenity Postoffice) Exit 32, i85 6.47 Exit 34, i85 7.91 Exit 27, i85 8.66 Interstate highways close to Williamston Post Office (Amenity Postoffice) i85 map 6.47 i385sc map 24.74 i26 map 52.29 State roads close to Williamston Post Office (Amenity Postoffice) SC 20 map 1.51 US 29 SC map 2.49 SC 8 map 3.52