| Rheinberg to Octeville | 384.93 mi (619.49 km) |
| Rheinberg to Oignies | 173.56 mi (279.32 km) |
| Rheinberg to Oissel | 286.19 mi (460.57 km) |
| Rheinberg to Olivet | 329.79 mi (530.75 km) |
| Rheinberg to Ollioules | 581.95 mi (936.56 km) |
| Rheinberg to Olonne-sur-Mer | 512.91 mi (825.45 km) |
| Rheinberg to Oloron-Sainte-Marie | 667.68 mi (1,074.52 km) |
| Rheinberg to Onet Village | 529.47 mi (852.10 km) |
| Rheinberg to Onnaing | 153.21 mi (246.57 km) |
| Rheinberg to Orange | 518.52 mi (834.48 km) |
| Rheinberg to Orchies | 163.61 mi (263.31 km) |
| Rheinberg to Orleans | 327.45 mi (526.97 km) |
| Rheinberg to Orly | 268.64 mi (432.34 km) |
| Rheinberg to Ormesson-sur-Marne | 262.06 mi (421.74 km) |
| Rheinberg to Orsay | 277.32 mi (446.30 km) |
