| Portchester to Montevarchi | 779.41 mi (1,254.33 km) |
| Portchester to Monticello Conte Otto | 686.47 mi (1,104.76 km) |
| Portchester to Montichiari | 648.73 mi (1,044.04 km) |
| Portchester to Montignoso | 706.20 mi (1,136.52 km) |
| Portchester to Montopoli in Val d'Arno | 743.80 mi (1,197.02 km) |
| Portchester to Monza | 599.90 mi (965.45 km) |
| Portchester to Morbegno | 586.77 mi (944.32 km) |
| Portchester to Mori | 652.92 mi (1,050.77 km) |
| Portchester to Morlupo | 881.30 mi (1,418.31 km) |
| Portchester to Morrovalle | 862.82 mi (1,388.58 km) |
| Portchester to Mortara | 596.72 mi (960.32 km) |
| Portchester to Mosciano Sant'Angelo | 900.56 mi (1,449.32 km) |
| Portchester to Motta di Livenza | 719.75 mi (1,158.32 km) |
| Portchester to Motta Sant'Anastasia | 1,213.38 mi (1,952.75 km) |
| Portchester to Mottola | 1,118.99 mi (1,800.83 km) |
