| Santurce-Antiguo to Montevarchi | 731.84 mi (1,177.79 km) |
| Santurce-Antiguo to Monticello Conte Otto | 736.40 mi (1,185.12 km) |
| Santurce-Antiguo to Montichiari | 677.56 mi (1,090.42 km) |
| Santurce-Antiguo to Montignoso | 660.56 mi (1,063.07 km) |
| Santurce-Antiguo to Montopoli in Val d'Arno | 690.32 mi (1,110.96 km) |
| Santurce-Antiguo to Monza | 625.80 mi (1,007.13 km) |
| Santurce-Antiguo to Morbegno | 647.17 mi (1,041.52 km) |
| Santurce-Antiguo to Mori | 710.19 mi (1,142.94 km) |
| Santurce-Antiguo to Morlupo | 791.51 mi (1,273.81 km) |
| Santurce-Antiguo to Morrovalle | 833.75 mi (1,341.79 km) |
| Santurce-Antiguo to Mortara | 597.00 mi (960.77 km) |
| Santurce-Antiguo to Mosciano Sant'Angelo | 853.65 mi (1,373.81 km) |
| Santurce-Antiguo to Motta di Livenza | 787.03 mi (1,266.60 km) |
| Santurce-Antiguo to Motta Sant'Anastasia | 1,026.22 mi (1,651.54 km) |
| Santurce-Antiguo to Mottola | 1,044.60 mi (1,681.12 km) |
