Johnstown Ohio Traffic 2024-12-29 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Johnstown Ohio Alexandria, OH 8.30 mi Homer, OH 9.42 mi Croton, OH 9.46 miInterstate highway exits close to Johnstown Ohio Exit 30, i270oh 21.66 mi Exit 29, i270oh 22.49 mi Exit 32, i270oh 22.54 miInterstate highways close to Johnstown Ohio i270oh map 21.66 mi i70 map 22.66 mi i71 map 23.50 miState roads close to Johnstown Ohio US 62 OH map 0.93 mi OH 37 map 0.95 mi OH 310 map 3.10 mi