Live Chat I-77 Community Nearby Traffic Blythewood Post Office (Amenity postoffice) 2024-04-28 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Blythewood Post Office (Amenity Postoffice) Columbia, SC 11.31 Elgin, SC 16.19 Ridgeway, SC 16.98 Interstate highway exits close to Blythewood Post Office (Amenity Postoffice) Exit 27, i77 1.59 Exit 24, i77 3.49 Exit 22, i77 7.49 Interstate highways close to Blythewood Post Office (Amenity Postoffice) i77 map 1.59 i20 map 14.10 i26 map 20.47 State roads close to Blythewood Post Office (Amenity Postoffice) US 21 SC map 1.33 SC 555 map 2.56 US 321 SC map 5.42