| Castleford to Montevarchi | 915.79 mi (1,473.81 km) |
| Castleford to Monticello Conte Otto | 803.54 mi (1,293.17 km) |
| Castleford to Montichiari | 776.50 mi (1,249.65 km) |
| Castleford to Montignoso | 848.31 mi (1,365.22 km) |
| Castleford to Montopoli in Val d'Arno | 884.60 mi (1,423.62 km) |
| Castleford to Monza | 734.51 mi (1,182.08 km) |
| Castleford to Morbegno | 712.97 mi (1,147.41 km) |
| Castleford to Mori | 771.53 mi (1,241.66 km) |
| Castleford to Morlupo | 1,021.48 mi (1,643.91 km) |
| Castleford to Morrovalle | 987.96 mi (1,589.97 km) |
| Castleford to Mortara | 738.73 mi (1,188.87 km) |
| Castleford to Mosciano Sant'Angelo | 1,028.21 mi (1,654.74 km) |
| Castleford to Motta di Livenza | 827.66 mi (1,331.99 km) |
| Castleford to Motta Sant'Anastasia | 1,363.23 mi (2,193.91 km) |
| Castleford to Mottola | 1,242.98 mi (2,000.39 km) |
