| Rocky River to Odenton (Maryland) | 318.59 mi (512.73 km) |
| Rocky River to Odessa (Texas) | 1,309.82 mi (2,107.95 km) |
| Rocky River to Ogden (Utah) | 1,554.18 mi (2,501.20 km) |
| Rocky River to Oildale (California) | 2,038.23 mi (3,280.21 km) |
| Rocky River to Ojus (Florida) | 1,076.25 mi (1,732.05 km) |
| Rocky River to Okemos (Michigan) | 156.61 mi (252.04 km) |
| Rocky River to Oklahoma City (Oklahoma) | 941.35 mi (1,514.95 km) |
| Rocky River to Okmulgee (Oklahoma) | 863.84 mi (1,390.22 km) |
| Rocky River to Olathe (Kansas) | 706.75 mi (1,137.41 km) |
| Rocky River to Old Jamestown (Missouri) | 480.69 mi (773.60 km) |
| Rocky River to Oldsmar (Florida) | 928.35 mi (1,494.04 km) |
| Rocky River to Olean (New York) | 181.22 mi (291.65 km) |
| Rocky River to Olive Branch (Mississippi) | 624.43 mi (1,004.92 km) |
| Rocky River to Olivehurst (California) | 2,081.13 mi (3,349.25 km) |
| Rocky River to Olney (Maryland) | 298.65 mi (480.63 km) |
