| Dartford to Montalegre | 764.46 mi (1,230.28 km) |
| Dartford to Montemor-o-Novo | 973.43 mi (1,566.59 km) |
| Dartford to Montemor-o-Velho | 887.66 mi (1,428.54 km) |
| Dartford to Montijo | 985.63 mi (1,586.22 km) |
| Dartford to Mortagua | 860.84 mi (1,385.39 km) |
| Dartford to Moura | 992.04 mi (1,596.53 km) |
| Dartford to Murtosa | 851.37 mi (1,370.15 km) |
| Dartford to Nazare | 931.75 mi (1,499.51 km) |
| Dartford to Nelas | 847.18 mi (1,363.40 km) |
| Dartford to Obidos | 948.93 mi (1,527.16 km) |
| Dartford to Odemira | 1,050.28 mi (1,690.26 km) |
| Dartford to Odivelas | 985.02 mi (1,585.23 km) |
| Dartford to Oeiras | 994.81 mi (1,600.99 km) |
| Dartford to Olhao | 1,071.32 mi (1,724.12 km) |
| Dartford to Oliveira de Azemeis | 841.07 mi (1,353.57 km) |
