| Srem to Oliveira do Bairro | 1,445.00 mi (2,325.50 km) |
| Srem to Oliveira do Hospital | 1,427.66 mi (2,297.60 km) |
| Srem to Ourem | 1,488.38 mi (2,395.32 km) |
| Srem to Ovar | 1,434.10 mi (2,307.97 km) |
| Srem to Pacos de Ferreira | 1,406.79 mi (2,264.01 km) |
| Srem to Palmela | 1,553.64 mi (2,500.34 km) |
| Srem to Paredes | 1,407.18 mi (2,264.64 km) |
| Srem to Paredes de Coura | 1,384.52 mi (2,228.17 km) |
| Srem to Penacova | 1,448.07 mi (2,330.44 km) |
| Srem to Penafiel | 1,404.97 mi (2,261.08 km) |
| Srem to Peniche | 1,533.53 mi (2,467.98 km) |
| Srem to Peso da Regua | 1,386.94 mi (2,232.07 km) |
| Srem to Pinhal Novo | 1,551.01 mi (2,496.11 km) |
| Srem to Pinhel | 1,377.09 mi (2,216.21 km) |
| Srem to Pombal | 1,478.10 mi (2,378.77 km) |
