| Mering to Oliveira do Bairro | 1,096.39 mi (1,764.46 km) |
| Mering to Oliveira do Hospital | 1,075.78 mi (1,731.31 km) |
| Mering to Ourem | 1,135.14 mi (1,826.83 km) |
| Mering to Ovar | 1,088.18 mi (1,751.26 km) |
| Mering to Pacos de Ferreira | 1,062.63 mi (1,710.14 km) |
| Mering to Palmela | 1,196.35 mi (1,925.33 km) |
| Mering to Paredes | 1,062.30 mi (1,709.61 km) |
| Mering to Paredes de Coura | 1,045.70 mi (1,682.90 km) |
| Mering to Penacova | 1,097.21 mi (1,765.79 km) |
| Mering to Penafiel | 1,059.94 mi (1,705.82 km) |
| Mering to Peniche | 1,181.50 mi (1,901.45 km) |
| Mering to Peso da Regua | 1,039.68 mi (1,673.20 km) |
| Mering to Pinhal Novo | 1,194.04 mi (1,921.63 km) |
| Mering to Pinhel | 1,024.77 mi (1,649.21 km) |
| Mering to Pombal | 1,126.49 mi (1,812.92 km) |
