| Birsfelden to Orthez | 493.54 mi (794.28 km) |
| Birsfelden to Orvault | 432.48 mi (696.01 km) |
| Birsfelden to Osny | 275.84 mi (443.93 km) |
| Birsfelden to Ostwald | 69.07 mi (111.15 km) |
| Birsfelden to Ouistreham | 380.39 mi (612.17 km) |
| Birsfelden to Oullins | 184.28 mi (296.58 km) |
| Birsfelden to Outreau | 348.66 mi (561.12 km) |
| Birsfelden to Oyonnax | 129.07 mi (207.72 km) |
| Birsfelden to Ozoir-la-Ferriere | 242.96 mi (391.00 km) |
| Birsfelden to Pace | 437.37 mi (703.88 km) |
| Birsfelden to Palaiseau | 260.56 mi (419.34 km) |
| Birsfelden to Pamiers | 423.14 mi (680.97 km) |
| Birsfelden to Panazol | 321.66 mi (517.66 km) |
| Birsfelden to Pantin | 257.58 mi (414.54 km) |
| Birsfelden to Paray-le-Monial | 181.80 mi (292.57 km) |
