| Gentilly to Orvault | 211.92 mi (341.05 km) |
| Gentilly to Osny | 21.27 mi (34.23 km) |
| Gentilly to Ostwald | 245.55 mi (395.17 km) |
| Gentilly to Ouistreham | 122.18 mi (196.63 km) |
| Gentilly to Oullins | 243.22 mi (391.43 km) |
| Gentilly to Outreau | 134.85 mi (217.02 km) |
| Gentilly to Oyonnax | 234.64 mi (377.61 km) |
| Gentilly to Ozoir-la-Ferriere | 15.47 mi (24.89 km) |
| Gentilly to Pace | 194.12 mi (312.40 km) |
| Gentilly to Palaiseau | 8.17 mi (13.15 km) |
| Gentilly to Pamiers | 395.19 mi (635.99 km) |
| Gentilly to Panazol | 211.14 mi (339.79 km) |
| Gentilly to Pantin | 6.32 mi (10.17 km) |
| Gentilly to Paray-le-Monial | 182.93 mi (294.40 km) |
| Gentilly to Parempuyre | 301.08 mi (484.53 km) |
