| Penafiel to Oberriet | 975.96 mi (1,570.65 km) |
| Penafiel to Obersiggenthal | 924.26 mi (1,487.45 km) |
| Penafiel to Oberwil | 893.19 mi (1,437.46 km) |
| Penafiel to Oberwingert | 945.73 mi (1,522.00 km) |
| Penafiel to Oftringen | 903.58 mi (1,454.17 km) |
| Penafiel to Olten | 903.72 mi (1,454.39 km) |
| Penafiel to Onex | 795.05 mi (1,279.51 km) |
| Penafiel to Opfikon | 934.83 mi (1,504.46 km) |
| Penafiel to Ostermundigen | 875.71 mi (1,409.32 km) |
| Penafiel to Payerne | 847.78 mi (1,364.36 km) |
| Penafiel to Pfaffikon | 942.65 mi (1,517.04 km) |
| Penafiel to Plan-les-Ouates | 795.40 mi (1,280.07 km) |
| Penafiel to Pratteln | 899.52 mi (1,447.63 km) |
| Penafiel to Prilly | 825.92 mi (1,329.19 km) |
| Penafiel to Pully | 828.47 mi (1,333.30 km) |
