| Birsfelden to Octeville | 446.71 mi (718.91 km) |
| Birsfelden to Oignies | 290.78 mi (467.96 km) |
| Birsfelden to Oissel | 323.72 mi (520.98 km) |
| Birsfelden to Olivet | 266.87 mi (429.48 km) |
| Birsfelden to Ollioules | 316.91 mi (510.02 km) |
| Birsfelden to Olonne-sur-Mer | 447.65 mi (720.42 km) |
| Birsfelden to Oloron-Sainte-Marie | 499.82 mi (804.39 km) |
| Birsfelden to Onet Village | 326.79 mi (525.91 km) |
| Birsfelden to Onnaing | 267.66 mi (430.77 km) |
| Birsfelden to Orange | 272.01 mi (437.75 km) |
| Birsfelden to Orchies | 282.97 mi (455.39 km) |
| Birsfelden to Orleans | 266.61 mi (429.06 km) |
| Birsfelden to Orly | 254.70 mi (409.91 km) |
| Birsfelden to Ormesson-sur-Marne | 249.25 mi (401.13 km) |
| Birsfelden to Orsay | 262.81 mi (422.95 km) |
