| Castle Rock to Mansfield | 4,597.28 mi (7,398.61 km) |
| Castle Rock to March | 4,664.72 mi (7,507.14 km) |
| Castle Rock to Margate | 4,757.08 mi (7,655.77 km) |
| Castle Rock to Market Drayton | 4,562.67 mi (7,342.90 km) |
| Castle Rock to Market Harborough | 4,633.27 mi (7,456.53 km) |
| Castle Rock to Marlow | 4,674.67 mi (7,523.15 km) |
| Castle Rock to Marple | 4,557.97 mi (7,335.35 km) |
| Castle Rock to Marton | 4,542.11 mi (7,309.82 km) |
| Castle Rock to Maryport | 4,459.26 mi (7,176.49 km) |
| Castle Rock to Matlock | 4,585.44 mi (7,379.55 km) |
| Castle Rock to Melksham | 4,635.03 mi (7,459.35 km) |
| Castle Rock to Meltham | 4,557.51 mi (7,334.61 km) |
| Castle Rock to Melton Mowbray | 4,622.90 mi (7,439.84 km) |
| Castle Rock to Merthyr Tudful | 4,576.58 mi (7,365.30 km) |
| Castle Rock to Methil | 4,419.69 mi (7,112.81 km) |
