| Nikaia to Oliveira do Bairro | 1,718.96 mi (2,766.39 km) |
| Nikaia to Oliveira do Hospital | 1,686.42 mi (2,714.03 km) |
| Nikaia to Ourem | 1,728.28 mi (2,781.40 km) |
| Nikaia to Ovar | 1,724.11 mi (2,774.69 km) |
| Nikaia to Pacos de Ferreira | 1,710.31 mi (2,752.48 km) |
| Nikaia to Palmela | 1,756.06 mi (2,826.10 km) |
| Nikaia to Paredes | 1,707.09 mi (2,747.30 km) |
| Nikaia to Paredes de Coura | 1,716.89 mi (2,763.07 km) |
| Nikaia to Penacova | 1,709.03 mi (2,750.41 km) |
| Nikaia to Penafiel | 1,704.51 mi (2,743.15 km) |
| Nikaia to Peniche | 1,773.15 mi (2,853.60 km) |
| Nikaia to Peso da Regua | 1,678.30 mi (2,700.96 km) |
| Nikaia to Pinhal Novo | 1,756.12 mi (2,826.20 km) |
| Nikaia to Pinhel | 1,642.73 mi (2,643.72 km) |
| Nikaia to Pombal | 1,729.52 mi (2,783.40 km) |
