| Gloucester to Oliveira de Frades | 820.08 mi (1,319.79 km) |
| Gloucester to Oliveira do Bairro | 838.43 mi (1,349.32 km) |
| Gloucester to Oliveira do Hospital | 838.63 mi (1,349.65 km) |
| Gloucester to Ourem | 896.43 mi (1,442.67 km) |
| Gloucester to Ovar | 817.87 mi (1,316.23 km) |
| Gloucester to Pacos de Ferreira | 787.76 mi (1,267.77 km) |
| Gloucester to Palmela | 973.20 mi (1,566.22 km) |
| Gloucester to Paredes | 790.95 mi (1,272.91 km) |
| Gloucester to Paredes de Coura | 748.83 mi (1,205.13 km) |
| Gloucester to Penacova | 851.02 mi (1,369.59 km) |
| Gloucester to Penafiel | 789.72 mi (1,270.92 km) |
| Gloucester to Peniche | 929.58 mi (1,496.02 km) |
| Gloucester to Peso da Regua | 784.06 mi (1,261.83 km) |
| Gloucester to Pinhal Novo | 969.18 mi (1,559.75 km) |
| Gloucester to Pinhel | 799.00 mi (1,285.87 km) |
