| Plan-les-Ouates to Octeville | 431.38 mi (694.23 km) |
| Plan-les-Ouates to Oignies | 330.02 mi (531.12 km) |
| Plan-les-Ouates to Oissel | 320.22 mi (515.34 km) |
| Plan-les-Ouates to Olivet | 230.60 mi (371.11 km) |
| Plan-les-Ouates to Ollioules | 209.59 mi (337.30 km) |
| Plan-les-Ouates to Olonne-sur-Mer | 376.96 mi (606.66 km) |
| Plan-les-Ouates to Oloron-Sainte-Marie | 388.75 mi (625.63 km) |
| Plan-les-Ouates to Onet Village | 211.72 mi (340.72 km) |
| Plan-les-Ouates to Onnaing | 313.76 mi (504.94 km) |
| Plan-les-Ouates to Orange | 153.93 mi (247.73 km) |
| Plan-les-Ouates to Orchies | 325.54 mi (523.90 km) |
| Plan-les-Ouates to Orleans | 231.56 mi (372.67 km) |
| Plan-les-Ouates to Orly | 248.89 mi (400.55 km) |
| Plan-les-Ouates to Ormesson-sur-Marne | 246.26 mi (396.32 km) |
| Plan-les-Ouates to Orsay | 253.54 mi (408.04 km) |
