| Riga to Melzo | 1,010.36 mi (1,626.02 km) |
| Riga to Mendicino | 1,273.33 mi (2,049.22 km) |
| Riga to Menfi | 1,430.43 mi (2,302.06 km) |
| Riga to Mentana | 1,149.22 mi (1,849.49 km) |
| Riga to Merano | 897.06 mi (1,443.68 km) |
| Riga to Merate | 998.39 mi (1,606.75 km) |
| Riga to Mercato San Severino | 1,192.30 mi (1,918.83 km) |
| Riga to Mercogliano | 1,183.46 mi (1,904.60 km) |
| Riga to Mesagne | 1,166.57 mi (1,877.42 km) |
| Riga to Messina | 1,353.32 mi (2,177.96 km) |
| Riga to Mestre | 940.76 mi (1,514.00 km) |
| Riga to Mestrino | 954.23 mi (1,535.69 km) |
| Riga to Milan | 1,018.31 mi (1,638.82 km) |
| Riga to Milazzo | 1,355.99 mi (2,182.26 km) |
| Riga to Minerbio | 1,011.61 mi (1,628.02 km) |
