| Thornton Heath to Lydney | 106.38 mi (171.20 km) |
| Thornton Heath to Lye | 112.54 mi (181.11 km) |
| Thornton Heath to Lymington | 77.03 mi (123.96 km) |
| Thornton Heath to Lymm | 169.48 mi (272.76 km) |
| Thornton Heath to Mablethorpe | 134.99 mi (217.25 km) |
| Thornton Heath to Macclesfield | 153.68 mi (247.32 km) |
| Thornton Heath to Mackworth | 121.67 mi (195.81 km) |
| Thornton Heath to Madeley | 131.13 mi (211.03 km) |
| Thornton Heath to Maesteg | 152.98 mi (246.19 km) |
| Thornton Heath to Maghull | 188.80 mi (303.85 km) |
| Thornton Heath to Maidenhead | 27.53 mi (44.31 km) |
| Thornton Heath to Maidstone | 28.91 mi (46.53 km) |
| Thornton Heath to Maldon | 40.74 mi (65.57 km) |
| Thornton Heath to Maltby | 147.46 mi (237.31 km) |
| Thornton Heath to Manchester | 169.50 mi (272.79 km) |
