| Clacton-on-Sea to Masanasa | 858.82 mi (1,382.13 km) |
| Clacton-on-Sea to Masquefa | 711.54 mi (1,145.12 km) |
| Clacton-on-Sea to Matadepera | 705.15 mi (1,134.83 km) |
| Clacton-on-Sea to Mazarron | 987.94 mi (1,589.93 km) |
| Clacton-on-Sea to Meco | 805.01 mi (1,295.53 km) |
| Clacton-on-Sea to Medina del Campo | 779.39 mi (1,254.30 km) |
| Clacton-on-Sea to Medina Sidonia | 1,113.99 mi (1,792.80 km) |
| Clacton-on-Sea to Mejorada del Campo | 816.30 mi (1,313.71 km) |
| Clacton-on-Sea to Meliana | 850.42 mi (1,368.62 km) |
| Clacton-on-Sea to Mengibar | 984.85 mi (1,584.96 km) |
| Clacton-on-Sea to Merida | 960.70 mi (1,546.10 km) |
| Clacton-on-Sea to Miajadas | 939.65 mi (1,512.22 km) |
| Clacton-on-Sea to Mieres | 672.03 mi (1,081.52 km) |
| Clacton-on-Sea to Miguelturra | 919.41 mi (1,479.65 km) |
| Clacton-on-Sea to Mijas | 1,087.12 mi (1,749.56 km) |
