| Castricum to Montevarchi | 699.41 mi (1,125.59 km) |
| Castricum to Monticello Conte Otto | 572.65 mi (921.59 km) |
| Castricum to Montichiari | 556.67 mi (895.87 km) |
| Castricum to Montignoso | 641.07 mi (1,031.71 km) |
| Castricum to Montopoli in Val d'Arno | 674.31 mi (1,085.20 km) |
| Castricum to Monza | 524.30 mi (843.78 km) |
| Castricum to Morbegno | 494.92 mi (796.49 km) |
| Castricum to Mori | 543.24 mi (874.26 km) |
| Castricum to Morlupo | 806.12 mi (1,297.33 km) |
| Castricum to Morrovalle | 758.58 mi (1,220.82 km) |
| Castricum to Mortara | 537.18 mi (864.50 km) |
| Castricum to Mosciano Sant'Angelo | 800.14 mi (1,287.70 km) |
| Castricum to Motta di Livenza | 588.81 mi (947.59 km) |
| Castricum to Motta Sant'Anastasia | 1,152.44 mi (1,854.67 km) |
| Castricum to Mottola | 1,008.25 mi (1,622.62 km) |
