| Carlow to Monticello Conte Otto | 969.39 mi (1,560.09 km) |
| Carlow to Montichiari | 932.23 mi (1,500.28 km) |
| Carlow to Montignoso | 988.49 mi (1,590.81 km) |
| Carlow to Montopoli in Val d'Arno | 1,026.19 mi (1,651.49 km) |
| Carlow to Monza | 883.29 mi (1,421.52 km) |
| Carlow to Morbegno | 870.19 mi (1,400.43 km) |
| Carlow to Mori | 935.93 mi (1,506.23 km) |
| Carlow to Morlupo | 1,163.43 mi (1,872.35 km) |
| Carlow to Morrovalle | 1,146.33 mi (1,844.83 km) |
| Carlow to Mortara | 879.40 mi (1,415.26 km) |
| Carlow to Mosciano Sant'Angelo | 1,184.01 mi (1,905.48 km) |
| Carlow to Motta di Livenza | 1,001.50 mi (1,611.76 km) |
| Carlow to Motta Sant'Anastasia | 1,491.82 mi (2,400.86 km) |
| Carlow to Mottola | 1,402.47 mi (2,257.05 km) |
| Carlow to Mozzate | 866.92 mi (1,395.17 km) |
