| Ciechanow to Oberriet | 621.52 mi (1,000.24 km) |
| Ciechanow to Obersiggenthal | 659.19 mi (1,060.86 km) |
| Ciechanow to Oberwil | 685.11 mi (1,102.58 km) |
| Ciechanow to Oberwingert | 640.63 mi (1,031.00 km) |
| Ciechanow to Oftringen | 680.23 mi (1,094.73 km) |
| Ciechanow to Olten | 679.40 mi (1,093.38 km) |
| Ciechanow to Onex | 796.44 mi (1,281.74 km) |
| Ciechanow to Opfikon | 651.60 mi (1,048.65 km) |
| Ciechanow to Ostermundigen | 711.62 mi (1,145.24 km) |
| Ciechanow to Payerne | 737.93 mi (1,187.59 km) |
| Ciechanow to Pfaffikon | 646.79 mi (1,040.91 km) |
| Ciechanow to Plan-les-Ouates | 796.58 mi (1,281.97 km) |
| Ciechanow to Pratteln | 679.60 mi (1,093.71 km) |
| Ciechanow to Prilly | 762.61 mi (1,227.30 km) |
| Ciechanow to Pully | 760.93 mi (1,224.59 km) |
