| Hemel Hempstead to Mickleover | 91.58 mi (147.38 km) |
| Hemel Hempstead to Middlesbrough | 197.69 mi (318.15 km) |
| Hemel Hempstead to Middleton | 143.84 mi (231.49 km) |
| Hemel Hempstead to Middlewich | 129.57 mi (208.53 km) |
| Hemel Hempstead to Midsomer Norton | 92.38 mi (148.67 km) |
| Hemel Hempstead to Mildenhall | 58.31 mi (93.84 km) |
| Hemel Hempstead to Milford Haven | 195.69 mi (314.93 km) |
| Hemel Hempstead to Mill Hill | 13.74 mi (22.12 km) |
| Hemel Hempstead to Milngavie | 329.04 mi (529.54 km) |
| Hemel Hempstead to Milnrow | 145.60 mi (234.32 km) |
| Hemel Hempstead to Milton | 114.05 mi (183.54 km) |
| Hemel Hempstead to Milton Keynes | 23.41 mi (37.68 km) |
| Hemel Hempstead to Minehead | 134.73 mi (216.82 km) |
| Hemel Hempstead to Minster | 59.46 mi (95.70 km) |
| Hemel Hempstead to Mirfield | 142.66 mi (229.59 km) |
