| Bellinzona to Oerlinghausen | 399.09 mi (642.28 km) |
| Bellinzona to Oestrich-Winkel | 267.12 mi (429.90 km) |
| Bellinzona to Offenburg | 165.11 mi (265.72 km) |
| Bellinzona to Oftersheim | 220.35 mi (354.63 km) |
| Bellinzona to Ohrdruf | 329.42 mi (530.15 km) |
| Bellinzona to Ohringen | 208.75 mi (335.94 km) |
| Bellinzona to Olbernhau | 366.42 mi (589.69 km) |
| Bellinzona to Olching | 175.23 mi (282.00 km) |
| Bellinzona to Oldenburg | 481.47 mi (774.85 km) |
| Bellinzona to Oldenburg in Holstein | 565.88 mi (910.69 km) |
| Bellinzona to Olfen | 388.70 mi (625.55 km) |
| Bellinzona to Olpe | 337.56 mi (543.25 km) |
| Bellinzona to Olsberg | 357.01 mi (574.56 km) |
| Bellinzona to Oranienburg | 490.76 mi (789.80 km) |
| Bellinzona to Ortenberg | 287.46 mi (462.62 km) |
