| Ryhope to Oerlinghausen | 458.77 mi (738.32 km) |
| Ryhope to Oestrich-Winkel | 517.81 mi (833.33 km) |
| Ryhope to Offenburg | 594.45 mi (956.68 km) |
| Ryhope to Oftersheim | 567.03 mi (912.55 km) |
| Ryhope to Ohrdruf | 575.92 mi (926.86 km) |
| Ryhope to Ohringen | 604.49 mi (972.83 km) |
| Ryhope to Olbernhau | 678.02 mi (1,091.17 km) |
| Ryhope to Olching | 711.96 mi (1,145.79 km) |
| Ryhope to Oldenburg | 406.60 mi (654.36 km) |
| Ryhope to Oldenburg in Holstein | 491.55 mi (791.07 km) |
| Ryhope to Olfen | 421.56 mi (678.43 km) |
| Ryhope to Olpe | 465.93 mi (749.84 km) |
| Ryhope to Olsberg | 474.86 mi (764.22 km) |
| Ryhope to Oranienburg | 612.29 mi (985.38 km) |
| Ryhope to Ortenberg | 536.24 mi (862.99 km) |
