| Hackettstown to Cabestany | 3,859.40 mi (6,211.10 km) |
| Hackettstown to Cabries | 3,945.04 mi (6,348.92 km) |
| Hackettstown to Cachan | 3,656.68 mi (5,884.86 km) |
| Hackettstown to Caen | 3,532.89 mi (5,685.63 km) |
| Hackettstown to Cagnes-sur-Mer | 4,016.24 mi (6,463.52 km) |
| Hackettstown to Cahors | 3,738.52 mi (6,016.56 km) |
| Hackettstown to Calais | 3,582.32 mi (5,765.18 km) |
| Hackettstown to Caluire-et-Cuire | 3,848.83 mi (6,194.09 km) |
| Hackettstown to Cambrai | 3,658.07 mi (5,887.10 km) |
| Hackettstown to Canet-en-Roussillon | 3,861.54 mi (6,214.55 km) |
| Hackettstown to Cannes | 4,013.92 mi (6,459.78 km) |
| Hackettstown to Canteleu | 3,585.35 mi (5,770.07 km) |
| Hackettstown to Capbreton | 3,631.77 mi (5,844.76 km) |
| Hackettstown to Carcassonne | 3,816.27 mi (6,141.69 km) |
| Hackettstown to Carmaux | 3,782.37 mi (6,087.14 km) |
