| Clay to Nyon | 4,704.44 mi (7,571.06 km) |
| Clay to Oberriet | 4,814.93 mi (7,748.89 km) |
| Clay to Obersiggenthal | 4,756.69 mi (7,655.15 km) |
| Clay to Oberwil | 4,725.19 mi (7,604.46 km) |
| Clay to Oberwingert | 4,775.49 mi (7,685.42 km) |
| Clay to Oftringen | 4,746.45 mi (7,638.67 km) |
| Clay to Olten | 4,744.70 mi (7,635.86 km) |
| Clay to Onex | 4,704.88 mi (7,571.77 km) |
| Clay to Opfikon | 4,769.79 mi (7,676.23 km) |
| Clay to Ostermundigen | 4,739.91 mi (7,628.15 km) |
| Clay to Payerne | 4,720.79 mi (7,597.37 km) |
| Clay to Pfaffikon | 4,780.89 mi (7,694.11 km) |
| Clay to Plan-les-Ouates | 4,706.10 mi (7,573.74 km) |
| Clay to Pratteln | 4,731.15 mi (7,614.04 km) |
| Clay to Prilly | 4,715.43 mi (7,588.76 km) |
