| Hackettstown to Campo de Criptana | 3,677.69 mi (5,918.67 km) |
| Hackettstown to Campos del Puerto | 3,967.32 mi (6,384.79 km) |
| Hackettstown to Canals | 3,812.32 mi (6,135.34 km) |
| Hackettstown to Candelaria | 3,370.61 mi (5,424.47 km) |
| Hackettstown to Canet de Mar | 3,877.10 mi (6,239.60 km) |
| Hackettstown to Cangas | 3,326.64 mi (5,353.70 km) |
| Hackettstown to Cangas de Narcea | 3,408.74 mi (5,485.84 km) |
| Hackettstown to Canovellas | 3,862.41 mi (6,215.95 km) |
| Hackettstown to Canteras | 3,833.88 mi (6,170.03 km) |
| Hackettstown to Cantillana | 3,602.25 mi (5,797.27 km) |
| Hackettstown to Capdepera | 3,977.74 mi (6,401.55 km) |
| Hackettstown to Carballo | 3,307.17 mi (5,322.38 km) |
| Hackettstown to Carcagente | 3,813.66 mi (6,137.49 km) |
| Hackettstown to Cardedeu | 3,865.28 mi (6,220.56 km) |
| Hackettstown to Carlet | 3,806.91 mi (6,126.63 km) |
