| Castleford to Marsala | 1,280.06 mi (2,060.06 km) |
| Castleford to Marsciano | 972.49 mi (1,565.07 km) |
| Castleford to Martano | 1,307.32 mi (2,103.93 km) |
| Castleford to Martellago | 824.71 mi (1,327.24 km) |
| Castleford to Martina Franca | 1,248.88 mi (2,009.88 km) |
| Castleford to Martinengo | 749.55 mi (1,206.28 km) |
| Castleford to Martinsicuro | 1,021.92 mi (1,644.63 km) |
| Castleford to Mascali | 1,354.60 mi (2,180.02 km) |
| Castleford to Mascalucia | 1,361.48 mi (2,191.09 km) |
| Castleford to Masera di Padova | 827.33 mi (1,331.46 km) |
| Castleford to Maserada sul Piave | 819.53 mi (1,318.90 km) |
| Castleford to Massa | 846.43 mi (1,362.20 km) |
| Castleford to Massa Lombarda | 872.05 mi (1,403.42 km) |
| Castleford to Massafra | 1,248.38 mi (2,009.07 km) |
| Castleford to Massalubrense | 1,162.31 mi (1,870.56 km) |
