| Alpen to Oliveira do Bairro | 1,045.82 mi (1,683.09 km) |
| Alpen to Oliveira do Hospital | 1,034.14 mi (1,664.28 km) |
| Alpen to Ourem | 1,095.68 mi (1,763.32 km) |
| Alpen to Ovar | 1,031.27 mi (1,659.67 km) |
| Alpen to Pacos de Ferreira | 1,002.20 mi (1,612.88 km) |
| Alpen to Palmela | 1,167.02 mi (1,878.13 km) |
| Alpen to Paredes | 1,003.55 mi (1,615.05 km) |
| Alpen to Paredes de Coura | 973.78 mi (1,567.15 km) |
| Alpen to Penacova | 1,052.33 mi (1,693.57 km) |
| Alpen to Penafiel | 1,001.60 mi (1,611.92 km) |
| Alpen to Peniche | 1,137.74 mi (1,831.01 km) |
| Alpen to Peso da Regua | 987.22 mi (1,588.77 km) |
| Alpen to Pinhal Novo | 1,163.79 mi (1,872.95 km) |
| Alpen to Pinhel | 985.72 mi (1,586.37 km) |
| Alpen to Pombal | 1,082.86 mi (1,742.70 km) |
