| Regensdorf to Oliveira de Frades | 945.05 mi (1,520.91 km) |
| Regensdorf to Oliveira do Bairro | 966.59 mi (1,555.57 km) |
| Regensdorf to Oliveira do Hospital | 945.82 mi (1,522.14 km) |
| Regensdorf to Ourem | 1,005.12 mi (1,617.59 km) |
| Regensdorf to Ovar | 958.60 mi (1,542.72 km) |
| Regensdorf to Pacos de Ferreira | 933.24 mi (1,501.91 km) |
| Regensdorf to Palmela | 1,066.36 mi (1,716.14 km) |
| Regensdorf to Paredes | 932.84 mi (1,501.27 km) |
| Regensdorf to Paredes de Coura | 917.00 mi (1,475.76 km) |
| Regensdorf to Penacova | 967.28 mi (1,556.69 km) |
| Regensdorf to Penafiel | 930.47 mi (1,497.45 km) |
| Regensdorf to Peniche | 1,051.51 mi (1,692.24 km) |
| Regensdorf to Peso da Regua | 910.02 mi (1,464.53 km) |
| Regensdorf to Pinhal Novo | 1,064.05 mi (1,712.42 km) |
| Regensdorf to Pinhel | 894.80 mi (1,440.04 km) |
