Live Chat I-70 Community Nearby Traffic I 70 OH exit 21, Westbound 2024-04-19 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to I-70 OH Exit 21, Westbound Clayton, OH 6.61 Phillipsburg, OH 6.82 Verona, OH 8.88 Interstate highway exits close to I-70 OH Exit 21, Westbound Exit 21, i70 0.79 Exit 24, i70 3.62 Exit 26, i70 6.86 Interstate highways close to I-70 OH Exit 21, Westbound i70 map 0.79 i75 map 19.50 i71 map 53.11 State roads close to I-70 OH Exit 21, Westbound US 40 OH map 2.50 OH 49 map 3.95 OH 721 map 8.44