| Planken to Octeville | 539.12 mi (867.63 km) |
| Planken to Oignies | 373.98 mi (601.86 km) |
| Planken to Oissel | 415.67 mi (668.96 km) |
| Planken to Olivet | 359.06 mi (577.86 km) |
| Planken to Ollioules | 332.06 mi (534.40 km) |
| Planken to Olonne-sur-Mer | 535.55 mi (861.89 km) |
| Planken to Oloron-Sainte-Marie | 564.85 mi (909.04 km) |
| Planken to Onet Village | 386.76 mi (622.43 km) |
| Planken to Onnaing | 349.14 mi (561.88 km) |
| Planken to Orange | 310.21 mi (499.23 km) |
| Planken to Orchies | 365.22 mi (587.77 km) |
| Planken to Orleans | 358.91 mi (577.60 km) |
| Planken to Orly | 347.35 mi (559.01 km) |
| Planken to Ormesson-sur-Marne | 341.76 mi (550.02 km) |
| Planken to Orsay | 355.58 mi (572.25 km) |
