| Milford Haven to Oliveira de Frades | 774.35 mi (1,246.20 km) |
| Milford Haven to Oliveira do Bairro | 790.96 mi (1,272.92 km) |
| Milford Haven to Oliveira do Hospital | 795.99 mi (1,281.02 km) |
| Milford Haven to Ourem | 850.47 mi (1,368.70 km) |
| Milford Haven to Ovar | 768.60 mi (1,236.94 km) |
| Milford Haven to Pacos de Ferreira | 739.10 mi (1,189.46 km) |
| Milford Haven to Palmela | 927.31 mi (1,492.36 km) |
| Milford Haven to Paredes | 742.95 mi (1,195.66 km) |
| Milford Haven to Paredes de Coura | 697.15 mi (1,121.95 km) |
| Milford Haven to Penacova | 805.62 mi (1,296.52 km) |
| Milford Haven to Penafiel | 742.06 mi (1,194.23 km) |
| Milford Haven to Peniche | 879.14 mi (1,414.84 km) |
| Milford Haven to Peso da Regua | 740.25 mi (1,191.31 km) |
| Milford Haven to Pinhal Novo | 923.08 mi (1,485.55 km) |
| Milford Haven to Pinhel | 761.34 mi (1,225.26 km) |
