| Castle Rock to Montigny-les-Metz | 5,020.11 mi (8,079.08 km) |
| Castle Rock to Montivilliers | 4,791.95 mi (7,711.91 km) |
| Castle Rock to Montlouis-sur-Loire | 4,906.10 mi (7,895.61 km) |
| Castle Rock to Montlucon | 5,016.83 mi (8,073.81 km) |
| Castle Rock to Montmagny | 4,893.06 mi (7,874.62 km) |
| Castle Rock to Montmorency | 4,891.51 mi (7,872.13 km) |
| Castle Rock to Montpellier | 5,185.86 mi (8,345.84 km) |
| Castle Rock to Montreuil | 4,901.38 mi (7,888.01 km) |
| Castle Rock to Montrouge | 4,898.95 mi (7,884.10 km) |
| Castle Rock to Morangis | 4,904.18 mi (7,892.52 km) |
| Castle Rock to Morieres-les-Avignon | 5,209.60 mi (8,384.05 km) |
| Castle Rock to Morlaix | 4,684.25 mi (7,538.57 km) |
| Castle Rock to Morsang-sur-Orge | 4,906.51 mi (7,896.27 km) |
| Castle Rock to Mouans-Sartoux | 5,301.22 mi (8,531.49 km) |
| Castle Rock to Mougins | 5,302.99 mi (8,534.34 km) |
