| North Royalton to Odessa (Texas) | 1,310.62 mi (2,109.25 km) |
| North Royalton to Ogden (Utah) | 1,561.49 mi (2,512.97 km) |
| North Royalton to Oildale (California) | 2,043.93 mi (3,289.39 km) |
| North Royalton to Ojus (Florida) | 1,064.95 mi (1,713.88 km) |
| North Royalton to Okemos (Michigan) | 167.37 mi (269.35 km) |
| North Royalton to Oklahoma City (Oklahoma) | 942.75 mi (1,517.21 km) |
| North Royalton to Okmulgee (Oklahoma) | 864.77 mi (1,391.71 km) |
| North Royalton to Olathe (Kansas) | 710.39 mi (1,143.26 km) |
| North Royalton to Old Jamestown (Missouri) | 482.51 mi (776.52 km) |
| North Royalton to Oldsmar (Florida) | 917.89 mi (1,477.20 km) |
| North Royalton to Olean (New York) | 178.95 mi (287.99 km) |
| North Royalton to Olive Branch (Mississippi) | 621.15 mi (999.65 km) |
| North Royalton to Olivehurst (California) | 2,088.31 mi (3,360.82 km) |
| North Royalton to Olney (Maryland) | 288.38 mi (464.10 km) |
| North Royalton to Olympia (Washington) | 2,052.57 mi (3,303.30 km) |
