| Nairn to Oliveira de Frades | 1,181.16 mi (1,900.89 km) |
| Nairn to Oliveira do Bairro | 1,197.19 mi (1,926.68 km) |
| Nairn to Oliveira do Hospital | 1,203.46 mi (1,936.79 km) |
| Nairn to Ourem | 1,256.96 mi (2,022.88 km) |
| Nairn to Ovar | 1,174.31 mi (1,889.87 km) |
| Nairn to Pacos de Ferreira | 1,145.16 mi (1,842.96 km) |
| Nairn to Palmela | 1,333.58 mi (2,146.19 km) |
| Nairn to Paredes | 1,149.21 mi (1,849.47 km) |
| Nairn to Paredes de Coura | 1,102.35 mi (1,774.06 km) |
| Nairn to Penacova | 1,212.41 mi (1,951.19 km) |
| Nairn to Penafiel | 1,148.43 mi (1,848.22 km) |
| Nairn to Peniche | 1,283.89 mi (2,066.22 km) |
| Nairn to Peso da Regua | 1,147.62 mi (1,846.92 km) |
| Nairn to Pinhal Novo | 1,329.29 mi (2,139.29 km) |
| Nairn to Pinhel | 1,169.58 mi (1,882.25 km) |
