| Middlesbrough to Oliveira de Frades | 1,009.57 mi (1,624.74 km) |
| Middlesbrough to Oliveira do Bairro | 1,027.51 mi (1,653.61 km) |
| Middlesbrough to Oliveira do Hospital | 1,028.84 mi (1,655.76 km) |
| Middlesbrough to Ourem | 1,085.99 mi (1,747.73 km) |
| Middlesbrough to Ovar | 1,006.40 mi (1,619.65 km) |
| Middlesbrough to Pacos de Ferreira | 976.41 mi (1,571.37 km) |
| Middlesbrough to Palmela | 1,162.88 mi (1,871.48 km) |
| Middlesbrough to Paredes | 979.79 mi (1,576.82 km) |
| Middlesbrough to Paredes de Coura | 936.47 mi (1,507.10 km) |
| Middlesbrough to Penacova | 1,040.64 mi (1,674.75 km) |
| Middlesbrough to Penafiel | 978.65 mi (1,574.98 km) |
| Middlesbrough to Peniche | 1,117.97 mi (1,799.20 km) |
| Middlesbrough to Peso da Regua | 973.93 mi (1,567.39 km) |
| Middlesbrough to Pinhal Novo | 1,158.81 mi (1,864.92 km) |
| Middlesbrough to Pinhel | 990.03 mi (1,593.31 km) |
