| Le Grand-Saconnex to Orthez | 386.79 mi (622.47 km) |
| Le Grand-Saconnex to Orvault | 373.16 mi (600.54 km) |
| Le Grand-Saconnex to Osny | 271.47 mi (436.89 km) |
| Le Grand-Saconnex to Ostwald | 176.70 mi (284.37 km) |
| Le Grand-Saconnex to Ouistreham | 363.09 mi (584.33 km) |
| Le Grand-Saconnex to Oullins | 72.32 mi (116.38 km) |
| Le Grand-Saconnex to Outreau | 371.78 mi (598.33 km) |
| Le Grand-Saconnex to Oyonnax | 22.09 mi (35.55 km) |
| Le Grand-Saconnex to Ozoir-la-Ferriere | 237.95 mi (382.94 km) |
| Le Grand-Saconnex to Pace | 393.17 mi (632.75 km) |
| Le Grand-Saconnex to Palaiseau | 249.08 mi (400.86 km) |
| Le Grand-Saconnex to Pamiers | 308.76 mi (496.90 km) |
| Le Grand-Saconnex to Panazol | 232.12 mi (373.56 km) |
| Le Grand-Saconnex to Pantin | 252.64 mi (406.59 km) |
| Le Grand-Saconnex to Paray-le-Monial | 96.45 mi (155.22 km) |
