| Signa to Oliveira do Bairro | 1,026.45 mi (1,651.90 km) |
| Signa to Oliveira do Hospital | 998.50 mi (1,606.93 km) |
| Signa to Ourem | 1,050.88 mi (1,691.23 km) |
| Signa to Ovar | 1,025.39 mi (1,650.20 km) |
| Signa to Pacos de Ferreira | 1,005.61 mi (1,618.38 km) |
| Signa to Palmela | 1,097.52 mi (1,766.28 km) |
| Signa to Paredes | 1,003.61 mi (1,615.15 km) |
| Signa to Paredes de Coura | 1,001.96 mi (1,612.49 km) |
| Signa to Penacova | 1,021.42 mi (1,643.81 km) |
| Signa to Penafiel | 1,001.03 mi (1,611.01 km) |
| Signa to Peniche | 1,098.22 mi (1,767.41 km) |
| Signa to Peso da Regua | 976.59 mi (1,571.66 km) |
| Signa to Pinhal Novo | 1,096.29 mi (1,764.31 km) |
| Signa to Pinhel | 949.39 mi (1,527.90 km) |
| Signa to Pombal | 1,047.12 mi (1,685.17 km) |
