| Worthing to Mangualde | 789.51 mi (1,270.59 km) |
| Worthing to Marco de Canavezes | 762.06 mi (1,226.42 km) |
| Worthing to Marinha Grande | 869.11 mi (1,398.70 km) |
| Worthing to Massama | 939.01 mi (1,511.19 km) |
| Worthing to Matosinhos | 775.18 mi (1,247.54 km) |
| Worthing to Mealhada | 818.61 mi (1,317.42 km) |
| Worthing to Melgaco | 707.86 mi (1,139.18 km) |
| Worthing to Melres | 775.11 mi (1,247.42 km) |
| Worthing to Mira | 822.05 mi (1,322.96 km) |
| Worthing to Miranda do Corvo | 833.70 mi (1,341.71 km) |
| Worthing to Mirandela | 721.60 mi (1,161.30 km) |
| Worthing to Mogadouro | 721.61 mi (1,161.31 km) |
| Worthing to Moimenta da Beira | 762.70 mi (1,227.44 km) |
| Worthing to Moita | 939.31 mi (1,511.67 km) |
| Worthing to Moncao | 715.85 mi (1,152.04 km) |
