| Gagnef to Orthez | 1,352.74 mi (2,177.02 km) |
| Gagnef to Orvault | 1,137.43 mi (1,830.52 km) |
| Gagnef to Osny | 947.21 mi (1,524.38 km) |
| Gagnef to Ostwald | 881.96 mi (1,419.38 km) |
| Gagnef to Ouistreham | 986.18 mi (1,587.10 km) |
| Gagnef to Oullins | 1,110.01 mi (1,786.39 km) |
| Gagnef to Outreau | 859.12 mi (1,382.61 km) |
| Gagnef to Oyonnax | 1,061.86 mi (1,708.89 km) |
| Gagnef to Ozoir-la-Ferriere | 951.76 mi (1,531.71 km) |
| Gagnef to Pace | 1,088.99 mi (1,752.57 km) |
| Gagnef to Palaiseau | 964.54 mi (1,552.27 km) |
| Gagnef to Pamiers | 1,331.81 mi (2,143.34 km) |
| Gagnef to Panazol | 1,162.92 mi (1,871.53 km) |
| Gagnef to Pantin | 950.10 mi (1,529.04 km) |
| Gagnef to Paray-le-Monial | 1,073.02 mi (1,726.86 km) |
