Live Chat I-75 Community Nearby Traffic I 75 exit 21 2024-06-13 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to I-75 Exit 21 Mason, OH 7.51 Cincinnati, OH 7.55 Monroe, OH 11.27 Interstate highway exits close to I-75 Exit 21 Exit 21, i75 0.58 Exit 22, i75 2.79 Exit 19, i75 3.02 Interstate highways close to I-75 Exit 21 i75 map 0.58 i275oh map 6.11 i71 map 9.22 State roads close to I-75 Exit 21 OH 129 map 3.61 US 42 OH map 4.03 OH 747 map 5.08