| Hartlepool to Montalegre | 938.15 mi (1,509.80 km) |
| Hartlepool to Montemor-o-Novo | 1,155.57 mi (1,859.72 km) |
| Hartlepool to Montemor-o-Velho | 1,061.07 mi (1,707.63 km) |
| Hartlepool to Montijo | 1,162.79 mi (1,871.33 km) |
| Hartlepool to Mortagua | 1,036.78 mi (1,668.54 km) |
| Hartlepool to Moura | 1,180.80 mi (1,900.32 km) |
| Hartlepool to Murtosa | 1,022.83 mi (1,646.08 km) |
| Hartlepool to Nazare | 1,104.40 mi (1,777.36 km) |
| Hartlepool to Nelas | 1,025.85 mi (1,650.95 km) |
| Hartlepool to Obidos | 1,121.81 mi (1,805.38 km) |
| Hartlepool to Odemira | 1,232.57 mi (1,983.64 km) |
| Hartlepool to Odivelas | 1,159.78 mi (1,866.49 km) |
| Hartlepool to Oeiras | 1,168.94 mi (1,881.23 km) |
| Hartlepool to Olhao | 1,260.11 mi (2,027.96 km) |
| Hartlepool to Oliveira de Azemeis | 1,013.37 mi (1,630.86 km) |
