| Riga to Montevarchi | 1,076.33 mi (1,732.18 km) |
| Riga to Monticello Conte Otto | 949.59 mi (1,528.22 km) |
| Riga to Montichiari | 989.97 mi (1,593.20 km) |
| Riga to Montignoso | 1,079.00 mi (1,736.48 km) |
| Riga to Montopoli in Val d'Arno | 1,086.41 mi (1,748.40 km) |
| Riga to Monza | 1,009.36 mi (1,624.40 km) |
| Riga to Morbegno | 969.98 mi (1,561.03 km) |
| Riga to Mori | 949.48 mi (1,528.03 km) |
| Riga to Morlupo | 1,143.97 mi (1,841.04 km) |
| Riga to Morrovalle | 1,048.13 mi (1,686.80 km) |
| Riga to Mortara | 1,042.62 mi (1,677.93 km) |
| Riga to Mosciano Sant'Angelo | 1,078.89 mi (1,736.31 km) |
| Riga to Motta di Livenza | 914.67 mi (1,472.02 km) |
| Riga to Motta Sant'Anastasia | 1,407.65 mi (2,265.39 km) |
| Riga to Mottola | 1,170.87 mi (1,884.33 km) |
