| Hackettstown to Busto Arsizio | 4,026.97 mi (6,480.78 km) |
| Hackettstown to Busto Garolfo | 4,030.54 mi (6,486.52 km) |
| Hackettstown to Cabras | 4,204.95 mi (6,767.22 km) |
| Hackettstown to Cadelbosco di Sopra | 4,129.66 mi (6,646.04 km) |
| Hackettstown to Cadoneghe | 4,163.13 mi (6,699.91 km) |
| Hackettstown to Cagli | 4,259.70 mi (6,855.33 km) |
| Hackettstown to Cagliari | 4,256.41 mi (6,850.03 km) |
| Hackettstown to Cairo Montenotte | 4,041.17 mi (6,503.64 km) |
| Hackettstown to Caivano | 4,426.09 mi (7,123.10 km) |
| Hackettstown to Calcinaia | 4,167.25 mi (6,706.54 km) |
| Hackettstown to Calcinato | 4,098.59 mi (6,596.04 km) |
| Hackettstown to Calderara di Reno | 4,164.98 mi (6,702.89 km) |
| Hackettstown to Caldogno | 4,139.53 mi (6,661.93 km) |
| Hackettstown to Calenzano | 4,184.73 mi (6,734.67 km) |
| Hackettstown to Calolziocorte | 4,045.64 mi (6,510.84 km) |
