| Riga to Manerbio | 999.45 mi (1,608.46 km) |
| Riga to Manfredonia | 1,118.82 mi (1,800.56 km) |
| Riga to Maniago | 888.71 mi (1,430.25 km) |
| Riga to Mantova | 995.39 mi (1,601.92 km) |
| Riga to Maranello | 1,030.96 mi (1,659.18 km) |
| Riga to Marano di Napoli | 1,194.01 mi (1,921.57 km) |
| Riga to Marano Vicentino | 947.24 mi (1,524.44 km) |
| Riga to Marcianise | 1,183.34 mi (1,904.41 km) |
| Riga to Marcon | 935.47 mi (1,505.50 km) |
| Riga to Mareno di Piave | 916.88 mi (1,475.58 km) |
| Riga to Margherita di Savoia | 1,133.24 mi (1,823.78 km) |
| Riga to Mariano Comense | 1,005.10 mi (1,617.55 km) |
| Riga to Marigliano | 1,187.46 mi (1,911.03 km) |
| Riga to Marino | 1,164.91 mi (1,874.74 km) |
| Riga to Marostica | 939.14 mi (1,511.40 km) |
