| Hackettstown to Mechernich | 3,785.33 mi (6,091.90 km) |
| Hackettstown to Meckenbeuren | 3,990.22 mi (6,421.64 km) |
| Hackettstown to Meckenheim | 3,799.11 mi (6,114.07 km) |
| Hackettstown to Meerane | 4,007.62 mi (6,449.64 km) |
| Hackettstown to Meerbusch | 3,767.63 mi (6,063.41 km) |
| Hackettstown to Meine | 3,886.82 mi (6,255.24 km) |
| Hackettstown to Meinerzhagen | 3,810.13 mi (6,131.81 km) |
| Hackettstown to Meiningen | 3,936.75 mi (6,335.59 km) |
| Hackettstown to Meissen | 4,037.08 mi (6,497.05 km) |
| Hackettstown to Meitingen | 4,015.99 mi (6,463.11 km) |
| Hackettstown to Melle | 3,807.42 mi (6,127.45 km) |
| Hackettstown to Melsungen | 3,885.26 mi (6,252.72 km) |
| Hackettstown to Memmelsdorf | 3,976.91 mi (6,400.22 km) |
| Hackettstown to Memmingen | 4,006.64 mi (6,448.06 km) |
| Hackettstown to Mendig | 3,817.00 mi (6,142.87 km) |
