| Waltham Cross to Masanasa | 848.49 mi (1,365.51 km) |
| Waltham Cross to Masquefa | 708.92 mi (1,140.89 km) |
| Waltham Cross to Matadepera | 703.35 mi (1,131.94 km) |
| Waltham Cross to Mazarron | 975.36 mi (1,569.69 km) |
| Waltham Cross to Meco | 784.94 mi (1,263.24 km) |
| Waltham Cross to Medina del Campo | 753.83 mi (1,213.17 km) |
| Waltham Cross to Medina Sidonia | 1,090.46 mi (1,754.92 km) |
| Waltham Cross to Mejorada del Campo | 796.19 mi (1,281.35 km) |
| Waltham Cross to Meliana | 840.23 mi (1,352.22 km) |
| Waltham Cross to Mengibar | 965.35 mi (1,553.58 km) |
| Waltham Cross to Merida | 934.12 mi (1,503.32 km) |
| Waltham Cross to Miajadas | 913.46 mi (1,470.07 km) |
| Waltham Cross to Mieres | 641.10 mi (1,031.76 km) |
| Waltham Cross to Miguelturra | 898.84 mi (1,446.54 km) |
| Waltham Cross to Mijas | 1,066.46 mi (1,716.30 km) |
