| Preston to Orthez | 715.02 mi (1,150.72 km) |
| Preston to Orvault | 450.70 mi (725.34 km) |
| Preston to Osny | 383.94 mi (617.89 km) |
| Preston to Ostwald | 576.17 mi (927.25 km) |
| Preston to Ouistreham | 326.78 mi (525.90 km) |
| Preston to Oullins | 648.25 mi (1,043.26 km) |
| Preston to Outreau | 278.39 mi (448.03 km) |
| Preston to Oyonnax | 636.55 mi (1,024.42 km) |
| Preston to Ozoir-la-Ferriere | 415.09 mi (668.02 km) |
| Preston to Pace | 389.77 mi (627.28 km) |
| Preston to Palaiseau | 408.72 mi (657.77 km) |
| Preston to Pamiers | 761.05 mi (1,224.78 km) |
| Preston to Panazol | 575.46 mi (926.11 km) |
| Preston to Pantin | 401.47 mi (646.11 km) |
| Preston to Paray-le-Monial | 587.82 mi (946.00 km) |
