| Castleton to Manerbio | 790.42 mi (1,272.06 km) |
| Castleton to Manfredonia | 1,173.67 mi (1,888.84 km) |
| Castleton to Maniago | 835.47 mi (1,344.55 km) |
| Castleton to Mantova | 822.10 mi (1,323.04 km) |
| Castleton to Maranello | 857.73 mi (1,380.38 km) |
| Castleton to Marano di Napoli | 1,159.50 mi (1,866.04 km) |
| Castleton to Marano Vicentino | 814.74 mi (1,311.19 km) |
| Castleton to Marcianise | 1,155.55 mi (1,859.68 km) |
| Castleton to Marcon | 850.89 mi (1,369.37 km) |
| Castleton to Mareno di Piave | 838.56 mi (1,349.53 km) |
| Castleton to Margherita di Savoia | 1,195.58 mi (1,924.10 km) |
| Castleton to Mariano Comense | 743.51 mi (1,196.57 km) |
| Castleton to Marigliano | 1,165.73 mi (1,876.07 km) |
| Castleton to Marino | 1,065.25 mi (1,714.35 km) |
| Castleton to Marostica | 819.80 mi (1,319.34 km) |
