| Glencullen to Monticello Conte Otto | 953.87 mi (1,535.10 km) |
| Glencullen to Montichiari | 918.58 mi (1,478.31 km) |
| Glencullen to Montignoso | 978.01 mi (1,573.96 km) |
| Glencullen to Montopoli in Val d'Arno | 1,015.57 mi (1,634.40 km) |
| Glencullen to Monza | 870.78 mi (1,401.39 km) |
| Glencullen to Morbegno | 856.01 mi (1,377.61 km) |
| Glencullen to Mori | 920.58 mi (1,481.53 km) |
| Glencullen to Morlupo | 1,153.12 mi (1,855.77 km) |
| Glencullen to Morrovalle | 1,132.77 mi (1,823.01 km) |
| Glencullen to Mortara | 868.41 mi (1,397.57 km) |
| Glencullen to Mosciano Sant'Angelo | 1,171.05 mi (1,884.62 km) |
| Glencullen to Motta di Livenza | 984.44 mi (1,584.31 km) |
| Glencullen to Motta Sant'Anastasia | 1,484.72 mi (2,389.43 km) |
| Glencullen to Mottola | 1,389.16 mi (2,235.64 km) |
| Glencullen to Mozzate | 854.64 mi (1,375.42 km) |
