| Castle Rock to Lydney | 4,607.14 mi (7,414.47 km) |
| Castle Rock to Lye | 4,592.82 mi (7,391.43 km) |
| Castle Rock to Lymington | 4,680.67 mi (7,532.82 km) |
| Castle Rock to Lymm | 4,544.40 mi (7,313.51 km) |
| Castle Rock to Mablethorpe | 4,638.48 mi (7,464.91 km) |
| Castle Rock to Macclesfield | 4,561.36 mi (7,340.80 km) |
| Castle Rock to Mackworth | 4,594.25 mi (7,393.73 km) |
| Castle Rock to Madeley | 4,574.36 mi (7,361.72 km) |
| Castle Rock to Maesteg | 4,572.08 mi (7,358.05 km) |
| Castle Rock to Maghull | 4,523.19 mi (7,279.37 km) |
| Castle Rock to Maidenhead | 4,678.79 mi (7,529.79 km) |
| Castle Rock to Maidstone | 4,732.31 mi (7,615.92 km) |
| Castle Rock to Maldon | 4,718.37 mi (7,593.48 km) |
| Castle Rock to Maltby | 4,585.67 mi (7,379.92 km) |
| Castle Rock to Manchester | 4,548.50 mi (7,320.10 km) |
