| Gravesend to Montalegre | 768.03 mi (1,236.02 km) |
| Gravesend to Montemor-o-Novo | 976.56 mi (1,571.62 km) |
| Gravesend to Montemor-o-Velho | 891.17 mi (1,434.19 km) |
| Gravesend to Montijo | 988.95 mi (1,591.57 km) |
| Gravesend to Mortagua | 864.27 mi (1,390.90 km) |
| Gravesend to Moura | 994.86 mi (1,601.08 km) |
| Gravesend to Murtosa | 854.97 mi (1,375.95 km) |
| Gravesend to Nazare | 935.27 mi (1,505.17 km) |
| Gravesend to Nelas | 850.50 mi (1,368.75 km) |
| Gravesend to Obidos | 952.43 mi (1,532.79 km) |
| Gravesend to Odemira | 1,053.37 mi (1,695.23 km) |
| Gravesend to Odivelas | 988.43 mi (1,590.73 km) |
| Gravesend to Oeiras | 998.24 mi (1,606.51 km) |
| Gravesend to Olhao | 1,074.11 mi (1,728.62 km) |
| Gravesend to Oliveira de Azemeis | 844.65 mi (1,359.33 km) |
