| Hackettstown to Commerce (California) | 2,398.98 mi (3,860.78 km) |
| Hackettstown to Commerce City (Colorado) | 1,574.12 mi (2,533.30 km) |
| Hackettstown to Compton (California) | 2,405.87 mi (3,871.87 km) |
| Hackettstown to Comstock Park (Michigan) | 577.35 mi (929.16 km) |
| Hackettstown to Concord (California) | 2,495.66 mi (4,016.37 km) |
| Hackettstown to Concord (Missouri) | 840.39 mi (1,352.48 km) |
| Hackettstown to Concord (New Hampshire) | 234.59 mi (377.54 km) |
| Hackettstown to Concord (North Carolina) | 491.81 mi (791.49 km) |
| Hackettstown to Conneaut (Ohio) | 306.71 mi (493.61 km) |
| Hackettstown to Connersville (Indiana) | 549.83 mi (884.86 km) |
| Hackettstown to Conroe (Texas) | 1,364.49 mi (2,195.94 km) |
| Hackettstown to Converse (Texas) | 1,533.10 mi (2,467.29 km) |
| Hackettstown to Conway (Arkansas) | 1,038.32 mi (1,671.02 km) |
| Hackettstown to Conway (Florida) | 929.67 mi (1,496.16 km) |
| Hackettstown to Conway (South Carolina) | 536.95 mi (864.14 km) |
