| Ryhope to Oberkirch | 595.17 mi (957.83 km) |
| Ryhope to Obernburg am Main | 562.44 mi (905.16 km) |
| Ryhope to Obernkirchen | 465.79 mi (749.61 km) |
| Ryhope to Oberschleissheim | 717.70 mi (1,155.03 km) |
| Ryhope to Oberstdorf | 719.73 mi (1,158.30 km) |
| Ryhope to Obertraubling | 704.57 mi (1,133.89 km) |
| Ryhope to Obertshausen | 541.79 mi (871.92 km) |
| Ryhope to Oberursel | 527.03 mi (848.17 km) |
| Ryhope to Ochsenfurt | 602.04 mi (968.89 km) |
| Ryhope to Ochsenhausen | 675.04 mi (1,086.38 km) |
| Ryhope to Ochtrup | 396.35 mi (637.87 km) |
| Ryhope to Odenthal | 441.10 mi (709.88 km) |
| Ryhope to Oelde | 444.59 mi (715.49 km) |
| Ryhope to Oelsnitz | 643.99 mi (1,036.40 km) |
| Ryhope to Oer-Erkenschwick | 419.86 mi (675.69 km) |
