| Constanta to Montevarchi | 849.86 mi (1,367.72 km) |
| Constanta to Monticello Conte Otto | 838.93 mi (1,350.13 km) |
| Constanta to Montichiari | 896.67 mi (1,443.05 km) |
| Constanta to Montignoso | 914.53 mi (1,471.79 km) |
| Constanta to Montopoli in Val d'Arno | 888.99 mi (1,430.69 km) |
| Constanta to Monza | 950.61 mi (1,529.85 km) |
| Constanta to Morbegno | 936.64 mi (1,507.38 km) |
| Constanta to Mori | 868.18 mi (1,397.20 km) |
| Constanta to Morlupo | 823.48 mi (1,325.27 km) |
| Constanta to Morrovalle | 752.49 mi (1,211.02 km) |
| Constanta to Mortara | 976.73 mi (1,571.90 km) |
| Constanta to Mosciano Sant'Angelo | 745.18 mi (1,199.24 km) |
| Constanta to Motta di Livenza | 789.79 mi (1,271.05 km) |
| Constanta to Motta Sant'Anastasia | 848.36 mi (1,365.30 km) |
| Constanta to Mottola | 639.50 mi (1,029.18 km) |
