| Arcos de Valdevez to Oberriet | 959.50 mi (1,544.17 km) |
| Arcos de Valdevez to Obersiggenthal | 906.43 mi (1,458.77 km) |
| Arcos de Valdevez to Oberwil | 874.72 mi (1,407.72 km) |
| Arcos de Valdevez to Oberwingert | 928.16 mi (1,493.73 km) |
| Arcos de Valdevez to Oftringen | 885.98 mi (1,425.85 km) |
| Arcos de Valdevez to Olten | 886.00 mi (1,425.89 km) |
| Arcos de Valdevez to Onex | 779.68 mi (1,254.77 km) |
| Arcos de Valdevez to Opfikon | 917.36 mi (1,476.35 km) |
| Arcos de Valdevez to Ostermundigen | 858.89 mi (1,382.26 km) |
| Arcos de Valdevez to Payerne | 830.96 mi (1,337.30 km) |
| Arcos de Valdevez to Pfaffikon | 925.53 mi (1,489.50 km) |
| Arcos de Valdevez to Plan-les-Ouates | 780.10 mi (1,255.45 km) |
| Arcos de Valdevez to Pratteln | 881.15 mi (1,418.07 km) |
| Arcos de Valdevez to Prilly | 809.76 mi (1,303.19 km) |
| Arcos de Valdevez to Pully | 812.42 mi (1,307.47 km) |
