Costco 2024-12-20 Roadnow click anywhere on map to find more poi nearby Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Costco Saint Charles, MO 6.19 mi Cottleville, MO 7.88 mi Flinthill, MO 7.88 miInterstate highway exits close to Costco Exit 222, i70 2.36 mi Exit 224, i70 3.33 mi Exit 220, i70 3.74 miInterstate highways close to Costco i70 map 2.36 mi i64 map 10.92 mi i270mo map 16.04 miState roads close to Costco MO 79 map 3.69 mi MO 370 map 3.92 mi MO 364 map 4.05 mi