| Altamont to Oliveira de Frades | 5,365.08 mi (8,634.26 km) |
| Altamont to Oliveira do Bairro | 5,363.44 mi (8,631.62 km) |
| Altamont to Oliveira do Hospital | 5,394.57 mi (8,681.72 km) |
| Altamont to Ourem | 5,403.96 mi (8,696.83 km) |
| Altamont to Ovar | 5,341.24 mi (8,595.90 km) |
| Altamont to Pacos de Ferreira | 5,329.94 mi (8,577.71 km) |
| Altamont to Palmela | 5,445.27 mi (8,763.32 km) |
| Altamont to Paredes | 5,335.66 mi (8,586.92 km) |
| Altamont to Paredes de Coura | 5,292.16 mi (8,516.91 km) |
| Altamont to Penacova | 5,383.58 mi (8,664.04 km) |
| Altamont to Penafiel | 5,337.15 mi (8,589.31 km) |
| Altamont to Peniche | 5,389.02 mi (8,672.79 km) |
| Altamont to Peso da Regua | 5,357.52 mi (8,622.10 km) |
| Altamont to Pinhal Novo | 5,441.56 mi (8,757.34 km) |
| Altamont to Pinhel | 5,402.18 mi (8,693.96 km) |
