| San Marino to Montevarchi | 6,206.19 mi (9,987.89 km) |
| San Marino to Monticello Conte Otto | 6,096.29 mi (9,811.04 km) |
| San Marino to Montichiari | 6,068.94 mi (9,767.01 km) |
| San Marino to Montignoso | 6,135.32 mi (9,873.84 km) |
| San Marino to Montopoli in Val d'Arno | 6,172.57 mi (9,933.78 km) |
| San Marino to Monza | 6,024.80 mi (9,695.97 km) |
| San Marino to Morbegno | 6,005.44 mi (9,664.83 km) |
| San Marino to Mori | 6,064.50 mi (9,759.87 km) |
| San Marino to Morlupo | 6,310.25 mi (10,155.37 km) |
| San Marino to Morrovalle | 6,281.00 mi (10,108.29 km) |
| San Marino to Mortara | 6,025.31 mi (9,696.80 km) |
| San Marino to Mosciano Sant'Angelo | 6,321.16 mi (10,172.93 km) |
| San Marino to Motta di Livenza | 6,117.97 mi (9,845.93 km) |
| San Marino to Motta Sant'Anastasia | 6,643.17 mi (10,691.15 km) |
| San Marino to Mottola | 6,535.68 mi (10,518.16 km) |
