| Preston to Nyon | 644.42 mi (1,037.10 km) |
| Preston to Oberriet | 697.09 mi (1,121.86 km) |
| Preston to Obersiggenthal | 646.71 mi (1,040.77 km) |
| Preston to Oberwil | 621.85 mi (1,000.77 km) |
| Preston to Oberwingert | 660.81 mi (1,063.47 km) |
| Preston to Oftringen | 643.30 mi (1,035.29 km) |
| Preston to Olten | 641.07 mi (1,031.71 km) |
| Preston to Onex | 652.32 mi (1,049.82 km) |
| Preston to Opfikon | 658.29 mi (1,059.41 km) |
| Preston to Ostermundigen | 648.94 mi (1,044.37 km) |
| Preston to Payerne | 639.89 mi (1,029.81 km) |
| Preston to Pfaffikon | 668.66 mi (1,076.10 km) |
| Preston to Plan-les-Ouates | 653.72 mi (1,052.06 km) |
| Preston to Pratteln | 626.27 mi (1,007.88 km) |
| Preston to Prilly | 646.03 mi (1,039.69 km) |
