| Waltham Cross to Mexborough | 135.82 mi (218.57 km) |
| Waltham Cross to Mickleover | 105.67 mi (170.06 km) |
| Waltham Cross to Middlesbrough | 205.85 mi (331.28 km) |
| Waltham Cross to Middleton | 157.59 mi (253.61 km) |
| Waltham Cross to Middlewich | 145.35 mi (233.91 km) |
| Waltham Cross to Midsomer Norton | 108.94 mi (175.33 km) |
| Waltham Cross to Mildenhall | 51.01 mi (82.09 km) |
| Waltham Cross to Milford Haven | 214.49 mi (345.19 km) |
| Waltham Cross to Mill Hill | 9.59 mi (15.44 km) |
| Waltham Cross to Milngavie | 341.86 mi (550.17 km) |
| Waltham Cross to Milnrow | 158.92 mi (255.76 km) |
| Waltham Cross to Milton | 129.59 mi (208.56 km) |
| Waltham Cross to Milton Keynes | 39.50 mi (63.57 km) |
| Waltham Cross to Minehead | 151.85 mi (244.38 km) |
| Waltham Cross to Minster | 40.55 mi (65.25 km) |
