| Peterlee to Montalegre | 940.94 mi (1,514.29 km) |
| Peterlee to Montemor-o-Novo | 1,158.57 mi (1,864.54 km) |
| Peterlee to Montemor-o-Velho | 1,063.78 mi (1,712.00 km) |
| Peterlee to Montijo | 1,165.60 mi (1,875.84 km) |
| Peterlee to Mortagua | 1,039.60 mi (1,673.07 km) |
| Peterlee to Moura | 1,184.05 mi (1,905.55 km) |
| Peterlee to Murtosa | 1,025.49 mi (1,650.36 km) |
| Peterlee to Nazare | 1,107.06 mi (1,781.65 km) |
| Peterlee to Nelas | 1,028.77 mi (1,655.65 km) |
| Peterlee to Obidos | 1,124.47 mi (1,809.66 km) |
| Peterlee to Odemira | 1,235.55 mi (1,988.43 km) |
| Peterlee to Odivelas | 1,162.50 mi (1,870.86 km) |
| Peterlee to Oeiras | 1,171.63 mi (1,885.55 km) |
| Peterlee to Olhao | 1,263.35 mi (2,033.16 km) |
| Peterlee to Oliveira de Azemeis | 1,016.06 mi (1,635.19 km) |
