| Bellinzona to Octeville | 547.53 mi (881.17 km) |
| Bellinzona to Oignies | 404.80 mi (651.46 km) |
| Bellinzona to Oissel | 427.65 mi (688.24 km) |
| Bellinzona to Olivet | 354.83 mi (571.04 km) |
| Bellinzona to Ollioules | 262.71 mi (422.80 km) |
| Bellinzona to Olonne-sur-Mer | 515.18 mi (829.10 km) |
| Bellinzona to Oloron-Sainte-Marie | 516.28 mi (830.88 km) |
| Bellinzona to Onet Village | 337.35 mi (542.91 km) |
| Bellinzona to Onnaing | 382.22 mi (615.13 km) |
| Bellinzona to Orange | 249.87 mi (402.12 km) |
| Bellinzona to Orchies | 397.30 mi (639.39 km) |
| Bellinzona to Orleans | 355.21 mi (571.66 km) |
| Bellinzona to Orly | 356.32 mi (573.44 km) |
| Bellinzona to Ormesson-sur-Marne | 351.79 mi (566.15 km) |
| Bellinzona to Orsay | 363.28 mi (584.65 km) |
