| Waltham Cross to Melzo | 606.67 mi (976.34 km) |
| Waltham Cross to Mendicino | 1,158.83 mi (1,864.95 km) |
| Waltham Cross to Menfi | 1,160.03 mi (1,866.89 km) |
| Waltham Cross to Mentana | 894.96 mi (1,440.30 km) |
| Waltham Cross to Merano | 611.89 mi (984.74 km) |
| Waltham Cross to Merate | 596.99 mi (960.76 km) |
| Waltham Cross to Mercato San Severino | 1,029.49 mi (1,656.81 km) |
| Waltham Cross to Mercogliano | 1,021.12 mi (1,643.34 km) |
| Waltham Cross to Mesagne | 1,143.11 mi (1,839.65 km) |
| Waltham Cross to Messina | 1,199.04 mi (1,929.66 km) |
| Waltham Cross to Mestre | 703.99 mi (1,132.96 km) |
| Waltham Cross to Mestrino | 689.01 mi (1,108.85 km) |
| Waltham Cross to Milan | 601.12 mi (967.40 km) |
| Waltham Cross to Milazzo | 1,188.13 mi (1,912.10 km) |
| Waltham Cross to Minerbio | 719.41 mi (1,157.78 km) |
