| Piedras Blancas to Montevarchi | 877.10 mi (1,411.56 km) |
| Piedras Blancas to Monticello Conte Otto | 873.74 mi (1,406.15 km) |
| Piedras Blancas to Montichiari | 815.44 mi (1,312.32 km) |
| Piedras Blancas to Montignoso | 804.51 mi (1,294.73 km) |
| Piedras Blancas to Montopoli in Val d'Arno | 835.32 mi (1,344.32 km) |
| Piedras Blancas to Monza | 762.27 mi (1,226.76 km) |
| Piedras Blancas to Morbegno | 780.49 mi (1,256.08 km) |
| Piedras Blancas to Mori | 846.02 mi (1,361.54 km) |
| Piedras Blancas to Morlupo | 939.25 mi (1,511.58 km) |
| Piedras Blancas to Morrovalle | 979.16 mi (1,575.81 km) |
| Piedras Blancas to Mortara | 735.14 mi (1,183.09 km) |
| Piedras Blancas to Mosciano Sant'Angelo | 1,000.17 mi (1,609.61 km) |
| Piedras Blancas to Motta di Livenza | 923.80 mi (1,486.71 km) |
| Piedras Blancas to Motta Sant'Anastasia | 1,172.85 mi (1,887.52 km) |
| Piedras Blancas to Mottola | 1,192.88 mi (1,919.75 km) |
