| Castleton to Melzo | 761.35 mi (1,225.27 km) |
| Castleton to Mendicino | 1,313.22 mi (2,113.43 km) |
| Castleton to Menfi | 1,318.84 mi (2,122.48 km) |
| Castleton to Mentana | 1,050.62 mi (1,690.82 km) |
| Castleton to Merano | 757.79 mi (1,219.55 km) |
| Castleton to Merate | 751.11 mi (1,208.79 km) |
| Castleton to Mercato San Severino | 1,183.83 mi (1,905.19 km) |
| Castleton to Mercogliano | 1,175.29 mi (1,891.44 km) |
| Castleton to Mesagne | 1,292.73 mi (2,080.45 km) |
| Castleton to Messina | 1,355.41 mi (2,181.33 km) |
| Castleton to Mestre | 852.00 mi (1,371.16 km) |
| Castleton to Mestrino | 838.37 mi (1,349.22 km) |
| Castleton to Milan | 756.34 mi (1,217.21 km) |
| Castleton to Milazzo | 1,344.82 mi (2,164.28 km) |
| Castleton to Minerbio | 872.04 mi (1,403.41 km) |
