| Hackettstown to Cibolo (Texas) | 1,526.19 mi (2,456.17 km) |
| Hackettstown to Cicero (Illinois) | 673.68 mi (1,084.18 km) |
| Hackettstown to Cimarron Hills (Colorado) | 1,582.77 mi (2,547.22 km) |
| Hackettstown to Cincinnati (Ohio) | 525.57 mi (845.82 km) |
| Hackettstown to Cinco Ranch (Texas) | 1,402.59 mi (2,257.25 km) |
| Hackettstown to Circleville (Ohio) | 436.11 mi (701.85 km) |
| Hackettstown to Citrus (California) | 2,381.86 mi (3,833.24 km) |
| Hackettstown to Citrus Heights (California) | 2,442.72 mi (3,931.17 km) |
| Hackettstown to Citrus Park (Florida) | 985.93 mi (1,586.70 km) |
| Hackettstown to Claiborne (Louisiana) | 1,117.83 mi (1,798.97 km) |
| Hackettstown to Claremont (California) | 2,372.51 mi (3,818.19 km) |
| Hackettstown to Claremont (New Hampshire) | 216.10 mi (347.78 km) |
| Hackettstown to Claremore (Oklahoma) | 1,162.37 mi (1,870.66 km) |
| Hackettstown to Clarksburg (Maryland) | 171.27 mi (275.63 km) |
| Hackettstown to Clarksburg (West Virginia) | 310.13 mi (499.11 km) |
