| Castle Rock to Manerbio | 5,331.95 mi (8,580.94 km) |
| Castle Rock to Manfredonia | 5,718.64 mi (9,203.27 km) |
| Castle Rock to Maniago | 5,381.39 mi (8,660.52 km) |
| Castle Rock to Mantova | 5,364.99 mi (8,634.12 km) |
| Castle Rock to Maranello | 5,397.84 mi (8,686.99 km) |
| Castle Rock to Marano di Napoli | 5,695.17 mi (9,165.49 km) |
| Castle Rock to Marano Vicentino | 5,360.76 mi (8,627.31 km) |
| Castle Rock to Marcianise | 5,692.58 mi (9,161.31 km) |
| Castle Rock to Marcon | 5,397.44 mi (8,686.34 km) |
| Castle Rock to Mareno di Piave | 5,385.14 mi (8,666.55 km) |
| Castle Rock to Margherita di Savoia | 5,740.42 mi (9,238.31 km) |
| Castle Rock to Mariano Comense | 5,282.81 mi (8,501.86 km) |
| Castle Rock to Marigliano | 5,702.96 mi (9,178.03 km) |
| Castle Rock to Marino | 5,597.58 mi (9,008.43 km) |
| Castle Rock to Marostica | 5,366.13 mi (8,635.95 km) |
