| San Carlos to Massarosa | 6,081.10 mi (9,786.59 km) |
| San Carlos to Matelica | 6,192.26 mi (9,965.47 km) |
| San Carlos to Matera | 6,442.47 mi (10,368.15 km) |
| San Carlos to Matino | 6,521.56 mi (10,495.43 km) |
| San Carlos to Mazzarino | 6,569.83 mi (10,573.12 km) |
| San Carlos to Meda | 5,946.94 mi (9,570.67 km) |
| San Carlos to Medesano | 6,025.84 mi (9,697.65 km) |
| San Carlos to Medicina | 6,083.59 mi (9,790.60 km) |
| San Carlos to Meldola | 6,115.21 mi (9,841.47 km) |
| San Carlos to Melegnano | 5,968.56 mi (9,605.47 km) |
| San Carlos to Melendugno | 6,512.99 mi (10,481.65 km) |
| San Carlos to Melfi | 6,396.71 mi (10,294.51 km) |
| San Carlos to Melilli | 6,604.03 mi (10,628.16 km) |
| San Carlos to Melito di Napoli | 6,361.68 mi (10,238.14 km) |
| San Carlos to Melito di Porto Salvo | 6,580.84 mi (10,590.83 km) |
