| Merzenich to Oliveira do Bairro | 1,013.06 mi (1,630.37 km) |
| Merzenich to Oliveira do Hospital | 1,000.09 mi (1,609.49 km) |
| Merzenich to Ourem | 1,061.62 mi (1,708.51 km) |
| Merzenich to Ovar | 999.34 mi (1,608.29 km) |
| Merzenich to Pacos de Ferreira | 970.63 mi (1,562.08 km) |
| Merzenich to Palmela | 1,131.90 mi (1,821.62 km) |
| Merzenich to Paredes | 971.74 mi (1,563.87 km) |
| Merzenich to Paredes de Coura | 943.77 mi (1,518.85 km) |
| Merzenich to Penacova | 1,018.81 mi (1,639.62 km) |
| Merzenich to Penafiel | 969.73 mi (1,560.62 km) |
| Merzenich to Peniche | 1,104.44 mi (1,777.43 km) |
| Merzenich to Peso da Regua | 954.42 mi (1,536.00 km) |
| Merzenich to Pinhal Novo | 1,128.79 mi (1,816.61 km) |
| Merzenich to Pinhel | 951.07 mi (1,530.61 km) |
| Merzenich to Pombal | 1,049.31 mi (1,688.71 km) |
