| Shannon to Monticello Conte Otto | 1,041.60 mi (1,676.29 km) |
| Shannon to Montichiari | 1,002.62 mi (1,613.57 km) |
| Shannon to Montignoso | 1,055.30 mi (1,698.33 km) |
| Shannon to Montopoli in Val d'Arno | 1,093.09 mi (1,759.16 km) |
| Shannon to Monza | 952.57 mi (1,533.02 km) |
| Shannon to Morbegno | 941.23 mi (1,514.77 km) |
| Shannon to Mori | 1,008.00 mi (1,622.22 km) |
| Shannon to Morlupo | 1,229.74 mi (1,979.07 km) |
| Shannon to Morrovalle | 1,216.30 mi (1,957.44 km) |
| Shannon to Mortara | 947.04 mi (1,524.11 km) |
| Shannon to Mosciano Sant'Angelo | 1,253.30 mi (2,016.99 km) |
| Shannon to Motta di Livenza | 1,075.10 mi (1,730.21 km) |
| Shannon to Motta Sant'Anastasia | 1,553.74 mi (2,500.50 km) |
| Shannon to Mottola | 1,471.90 mi (2,368.80 km) |
| Shannon to Mozzate | 935.99 mi (1,506.33 km) |
