| Nitra to Oliveira de Frades | 1,387.89 mi (2,233.60 km) |
| Nitra to Oliveira do Bairro | 1,409.26 mi (2,267.98 km) |
| Nitra to Oliveira do Hospital | 1,386.44 mi (2,231.26 km) |
| Nitra to Ourem | 1,444.23 mi (2,324.27 km) |
| Nitra to Ovar | 1,402.83 mi (2,257.63 km) |
| Nitra to Pacos de Ferreira | 1,378.47 mi (2,218.43 km) |
| Nitra to Palmela | 1,501.20 mi (2,415.94 km) |
| Nitra to Paredes | 1,377.74 mi (2,217.26 km) |
| Nitra to Paredes de Coura | 1,364.31 mi (2,195.64 km) |
| Nitra to Penacova | 1,408.48 mi (2,266.72 km) |
| Nitra to Penafiel | 1,375.31 mi (2,213.35 km) |
| Nitra to Peniche | 1,491.25 mi (2,399.94 km) |
| Nitra to Peso da Regua | 1,353.85 mi (2,178.81 km) |
| Nitra to Pinhal Novo | 1,499.25 mi (2,412.80 km) |
| Nitra to Pinhel | 1,335.50 mi (2,149.28 km) |
