| Norristown to Montevarchi | 4,264.75 mi (6,863.45 km) |
| Norristown to Monticello Conte Otto | 4,195.06 mi (6,751.30 km) |
| Norristown to Montichiari | 4,150.51 mi (6,679.60 km) |
| Norristown to Montignoso | 4,187.20 mi (6,738.64 km) |
| Norristown to Montopoli in Val d'Arno | 4,224.37 mi (6,798.46 km) |
| Norristown to Monza | 4,097.28 mi (6,593.93 km) |
| Norristown to Morbegno | 4,092.15 mi (6,585.69 km) |
| Norristown to Mori | 4,161.38 mi (6,697.10 km) |
| Norristown to Morlupo | 4,354.05 mi (7,007.17 km) |
| Norristown to Morrovalle | 4,359.27 mi (7,015.57 km) |
| Norristown to Mortara | 4,085.48 mi (6,574.95 km) |
| Norristown to Mosciano Sant'Angelo | 4,392.50 mi (7,069.05 km) |
| Norristown to Motta di Livenza | 4,232.24 mi (6,811.14 km) |
| Norristown to Motta Sant'Anastasia | 4,636.46 mi (7,461.65 km) |
| Norristown to Mottola | 4,608.16 mi (7,416.11 km) |
