| Middlesex to Oliveira de Frades | 3,388.34 mi (5,453.01 km) |
| Middlesex to Oliveira do Bairro | 3,378.43 mi (5,437.05 km) |
| Middlesex to Oliveira do Hospital | 3,413.54 mi (5,493.56 km) |
| Middlesex to Ourem | 3,398.85 mi (5,469.93 km) |
| Middlesex to Ovar | 3,362.62 mi (5,411.62 km) |
| Middlesex to Pacos de Ferreira | 3,363.28 mi (5,412.67 km) |
| Middlesex to Palmela | 3,412.94 mi (5,492.60 km) |
| Middlesex to Paredes | 3,368.24 mi (5,420.66 km) |
| Middlesex to Paredes de Coura | 3,338.73 mi (5,373.17 km) |
| Middlesex to Penacova | 3,395.58 mi (5,464.66 km) |
| Middlesex to Penafiel | 3,370.45 mi (5,424.22 km) |
| Middlesex to Peniche | 3,368.06 mi (5,420.36 km) |
| Middlesex to Peso da Regua | 3,395.90 mi (5,465.17 km) |
| Middlesex to Pinhal Novo | 3,410.43 mi (5,488.55 km) |
| Middlesex to Pinhel | 3,440.29 mi (5,536.61 km) |
