| Altena to Oliveira do Bairro | 1,072.20 mi (1,725.54 km) |
| Altena to Oliveira do Hospital | 1,059.04 mi (1,704.35 km) |
| Altena to Ourem | 1,120.55 mi (1,803.36 km) |
| Altena to Ovar | 1,058.57 mi (1,703.61 km) |
| Altena to Pacos de Ferreira | 1,029.89 mi (1,657.45 km) |
| Altena to Palmela | 1,190.62 mi (1,916.11 km) |
| Altena to Paredes | 1,030.98 mi (1,659.21 km) |
| Altena to Paredes de Coura | 1,003.11 mi (1,614.35 km) |
| Altena to Penacova | 1,077.85 mi (1,734.63 km) |
| Altena to Penafiel | 1,028.96 mi (1,655.95 km) |
| Altena to Peniche | 1,163.50 mi (1,872.47 km) |
| Altena to Peso da Regua | 1,013.56 mi (1,631.17 km) |
| Altena to Pinhal Novo | 1,187.53 mi (1,911.14 km) |
| Altena to Pinhel | 1,009.92 mi (1,625.31 km) |
| Altena to Pombal | 1,108.34 mi (1,783.70 km) |
