Costco 2024-12-18 Roadnow click anywhere on map to find more poi nearby Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Costco Mount Pleasant, SC 8.12 mi Sullivans Island, SC 9.30 mi North Charleston, SC 9.67 miInterstate highway exits close to Costco Exit 221, i26 2.56 mi Exit 221b, i26 3.04 mi Exit 221a, i26 3.15 miInterstate highways close to Costco i26 map 2.56 mi i526sc map 8.94 mi i95 map 72.51 miState roads close to Costco SC 30 map 1.46 mi US 17 SC map 1.77 mi US 78 SC map 1.90 mi