| Herndon to Montevarchi | 4,399.77 mi (7,080.74 km) |
| Herndon to Monticello Conte Otto | 4,330.06 mi (6,968.56 km) |
| Herndon to Montichiari | 4,285.53 mi (6,896.90 km) |
| Herndon to Montignoso | 4,322.21 mi (6,955.93 km) |
| Herndon to Montopoli in Val d'Arno | 4,359.38 mi (7,015.74 km) |
| Herndon to Monza | 4,232.31 mi (6,811.24 km) |
| Herndon to Morbegno | 4,227.16 mi (6,802.96 km) |
| Herndon to Mori | 4,296.38 mi (6,914.35 km) |
| Herndon to Morlupo | 4,489.02 mi (7,224.38 km) |
| Herndon to Morrovalle | 4,494.30 mi (7,232.88 km) |
| Herndon to Mortara | 4,220.51 mi (6,792.26 km) |
| Herndon to Mosciano Sant'Angelo | 4,527.53 mi (7,286.36 km) |
| Herndon to Motta di Livenza | 4,367.21 mi (7,028.34 km) |
| Herndon to Motta Sant'Anastasia | 4,770.99 mi (7,678.17 km) |
| Herndon to Mottola | 4,743.16 mi (7,633.38 km) |
