| Hackettstown to Montevarchi | 4,213.88 mi (6,781.59 km) |
| Hackettstown to Monticello Conte Otto | 4,143.28 mi (6,667.96 km) |
| Hackettstown to Montichiari | 4,099.01 mi (6,596.72 km) |
| Hackettstown to Montignoso | 4,136.38 mi (6,656.85 km) |
| Hackettstown to Montopoli in Val d'Arno | 4,173.60 mi (6,716.76 km) |
| Hackettstown to Monza | 4,045.89 mi (6,511.24 km) |
| Hackettstown to Morbegno | 4,040.47 mi (6,502.51 km) |
| Hackettstown to Mori | 4,109.59 mi (6,613.75 km) |
| Hackettstown to Morlupo | 4,303.63 mi (6,926.03 km) |
| Hackettstown to Morrovalle | 4,308.12 mi (6,933.25 km) |
| Hackettstown to Mortara | 4,034.34 mi (6,492.65 km) |
| Hackettstown to Mosciano Sant'Angelo | 4,341.54 mi (6,987.03 km) |
| Hackettstown to Motta di Livenza | 4,180.22 mi (6,727.41 km) |
| Hackettstown to Motta Sant'Anastasia | 4,587.64 mi (7,383.09 km) |
| Hackettstown to Mottola | 4,557.45 mi (7,334.51 km) |
