| Bellinzona to Oberkirch | 167.49 mi (269.55 km) |
| Bellinzona to Obernburg am Main | 251.87 mi (405.35 km) |
| Bellinzona to Obernkirchen | 419.48 mi (675.09 km) |
| Bellinzona to Oberschleissheim | 185.25 mi (298.13 km) |
| Bellinzona to Oberstdorf | 102.62 mi (165.15 km) |
| Bellinzona to Obertraubling | 240.83 mi (387.57 km) |
| Bellinzona to Obertshausen | 267.63 mi (430.72 km) |
| Bellinzona to Oberursel | 277.70 mi (446.92 km) |
| Bellinzona to Ochsenfurt | 243.46 mi (391.82 km) |
| Bellinzona to Ochsenhausen | 136.67 mi (219.95 km) |
| Bellinzona to Ochtrup | 423.45 mi (681.47 km) |
| Bellinzona to Odenthal | 345.47 mi (555.98 km) |
| Bellinzona to Oelde | 391.57 mi (630.17 km) |
| Bellinzona to Oelsnitz | 325.28 mi (523.48 km) |
| Bellinzona to Oer-Erkenschwick | 384.87 mi (619.40 km) |
