| Grenchen to Orthez | 471.61 mi (758.98 km) |
| Grenchen to Orvault | 422.94 mi (680.66 km) |
| Grenchen to Osny | 277.73 mi (446.97 km) |
| Grenchen to Ostwald | 95.14 mi (153.12 km) |
| Grenchen to Ouistreham | 380.47 mi (612.31 km) |
| Grenchen to Oullins | 159.90 mi (257.33 km) |
| Grenchen to Outreau | 357.93 mi (576.03 km) |
| Grenchen to Oyonnax | 104.72 mi (168.53 km) |
| Grenchen to Ozoir-la-Ferriere | 244.08 mi (392.81 km) |
| Grenchen to Pace | 431.50 mi (694.44 km) |
| Grenchen to Palaiseau | 260.50 mi (419.23 km) |
| Grenchen to Pamiers | 398.18 mi (640.80 km) |
| Grenchen to Panazol | 304.00 mi (489.23 km) |
| Grenchen to Pantin | 259.02 mi (416.85 km) |
| Grenchen to Paray-le-Monial | 163.13 mi (262.53 km) |
