| Hackettstown to Cold Springs (Nevada) | 2,354.86 mi (3,789.78 km) |
| Hackettstown to Coldwater (Michigan) | 532.30 mi (856.65 km) |
| Hackettstown to Colesville (Maryland) | 168.55 mi (271.25 km) |
| Hackettstown to College (Alaska) | 3,224.84 mi (5,189.87 km) |
| Hackettstown to College Park (Georgia) | 726.96 mi (1,169.93 km) |
| Hackettstown to College Park (Maryland) | 170.15 mi (273.84 km) |
| Hackettstown to College Station (Texas) | 1,392.18 mi (2,240.50 km) |
| Hackettstown to Collegedale (Tennessee) | 685.43 mi (1,103.10 km) |
| Hackettstown to Colleyville (Texas) | 1,345.91 mi (2,166.03 km) |
| Hackettstown to Collierville (Tennessee) | 902.56 mi (1,452.54 km) |
| Hackettstown to Collinsville (Illinois) | 819.05 mi (1,318.14 km) |
| Hackettstown to Colonia (New Jersey) | 32.28 mi (51.95 km) |
| Hackettstown to Colonial Heights (Virginia) | 283.73 mi (456.62 km) |
| Hackettstown to Colonial Park (Pennsylvania) | 110.82 mi (178.35 km) |
| Hackettstown to Colorado Springs (Colorado) | 1,585.81 mi (2,552.11 km) |
