| San Marino to Manerbio | 6,063.39 mi (9,758.08 km) |
| San Marino to Manfredonia | 6,445.61 mi (10,373.20 km) |
| San Marino to Maniago | 6,100.40 mi (9,817.65 km) |
| San Marino to Mantova | 6,095.18 mi (9,809.24 km) |
| San Marino to Maranello | 6,130.50 mi (9,866.08 km) |
| San Marino to Marano di Napoli | 6,431.51 mi (10,350.52 km) |
| San Marino to Marano Vicentino | 6,086.35 mi (9,795.04 km) |
| San Marino to Marcianise | 6,427.96 mi (10,344.81 km) |
| San Marino to Marcon | 6,120.69 mi (9,850.30 km) |
| San Marino to Mareno di Piave | 6,106.92 mi (9,828.13 km) |
| San Marino to Margherita di Savoia | 6,467.59 mi (10,408.59 km) |
| San Marino to Mariano Comense | 6,015.87 mi (9,681.61 km) |
| San Marino to Marigliano | 6,438.22 mi (10,361.31 km) |
| San Marino to Marino | 6,335.74 mi (10,196.39 km) |
| San Marino to Marostica | 6,090.75 mi (9,802.12 km) |
