| North Royalton to Oakley (California) | 2,118.74 mi (3,409.79 km) |
| North Royalton to Oakton (Virginia) | 288.42 mi (464.16 km) |
| North Royalton to Oakville (Missouri) | 495.60 mi (797.60 km) |
| North Royalton to Oatfield (Oregon) | 2,048.99 mi (3,297.52 km) |
| North Royalton to Ocala (Florida) | 838.81 mi (1,349.94 km) |
| North Royalton to Ocean Acres (New Jersey) | 406.61 mi (654.37 km) |
| North Royalton to Ocean City (New Jersey) | 401.96 mi (646.89 km) |
| North Royalton to Ocean Pines (Maryland) | 404.03 mi (650.22 km) |
| North Royalton to Ocean Pointe (Hawaii) | 4,563.86 mi (7,344.83 km) |
| North Royalton to Ocean Springs (Mississippi) | 849.67 mi (1,367.42 km) |
| North Royalton to Oceanside (California) | 2,018.09 mi (3,247.81 km) |
| North Royalton to Oceanside (New York) | 425.45 mi (684.69 km) |
| North Royalton to Ocoee (Florida) | 879.93 mi (1,416.11 km) |
| North Royalton to Oconomowoc (Wisconsin) | 366.69 mi (590.14 km) |
| North Royalton to Odenton (Maryland) | 308.46 mi (496.43 km) |
