| Guichen to Orvault | 48.74 mi (78.44 km) |
| Guichen to Osny | 191.97 mi (308.94 km) |
| Guichen to Ostwald | 438.96 mi (706.44 km) |
| Guichen to Ouistreham | 114.62 mi (184.47 km) |
| Guichen to Oullins | 348.57 mi (560.97 km) |
| Guichen to Outreau | 242.90 mi (390.91 km) |
| Guichen to Oyonnax | 369.58 mi (594.79 km) |
| Guichen to Ozoir-la-Ferriere | 212.85 mi (342.55 km) |
| Guichen to Pace | 12.50 mi (20.11 km) |
| Guichen to Palaiseau | 192.59 mi (309.94 km) |
| Guichen to Pamiers | 373.41 mi (600.95 km) |
| Guichen to Panazol | 207.61 mi (334.11 km) |
| Guichen to Pantin | 202.79 mi (326.36 km) |
| Guichen to Paray-le-Monial | 296.62 mi (477.36 km) |
| Guichen to Parempuyre | 216.09 mi (347.77 km) |
