| Castleford to Manerbio | 771.50 mi (1,241.61 km) |
| Castleford to Manfredonia | 1,152.80 mi (1,855.25 km) |
| Castleford to Maniago | 812.11 mi (1,306.97 km) |
| Castleford to Mantova | 802.61 mi (1,291.67 km) |
| Castleford to Maranello | 839.07 mi (1,350.35 km) |
| Castleford to Marano di Napoli | 1,141.19 mi (1,836.57 km) |
| Castleford to Marano Vicentino | 793.57 mi (1,277.13 km) |
| Castleford to Marcianise | 1,136.98 mi (1,829.79 km) |
| Castleford to Marcon | 828.92 mi (1,334.02 km) |
| Castleford to Mareno di Piave | 816.10 mi (1,313.39 km) |
| Castleford to Margherita di Savoia | 1,174.76 mi (1,890.59 km) |
| Castleford to Mariano Comense | 725.45 mi (1,167.49 km) |
| Castleford to Marigliano | 1,147.10 mi (1,846.07 km) |
| Castleford to Marino | 1,047.78 mi (1,686.24 km) |
| Castleford to Marostica | 798.29 mi (1,284.73 km) |
