| Hemel Hempstead to Lye | 85.24 mi (137.18 km) |
| Hemel Hempstead to Lymington | 83.56 mi (134.48 km) |
| Hemel Hempstead to Lymm | 140.67 mi (226.39 km) |
| Hemel Hempstead to Mablethorpe | 113.95 mi (183.38 km) |
| Hemel Hempstead to Macclesfield | 124.83 mi (200.89 km) |
| Hemel Hempstead to Mackworth | 92.87 mi (149.46 km) |
| Hemel Hempstead to Madeley | 103.71 mi (166.91 km) |
| Hemel Hempstead to Maesteg | 136.61 mi (219.85 km) |
| Hemel Hempstead to Maghull | 160.12 mi (257.69 km) |
| Hemel Hempstead to Maidenhead | 19.19 mi (30.88 km) |
| Hemel Hempstead to Maidstone | 54.27 mi (87.33 km) |
| Hemel Hempstead to Maldon | 49.01 mi (78.87 km) |
| Hemel Hempstead to Maltby | 119.73 mi (192.68 km) |
| Hemel Hempstead to Manchester | 140.65 mi (226.36 km) |
| Hemel Hempstead to Mansfield | 100.92 mi (162.42 km) |
