| Hackettstown to Carpentras | 3,910.96 mi (6,294.09 km) |
| Hackettstown to Carquefou | 3,531.32 mi (5,683.11 km) |
| Hackettstown to Carqueiranne | 3,987.06 mi (6,416.55 km) |
| Hackettstown to Carrieres-sous-Poissy | 3,640.26 mi (5,858.44 km) |
| Hackettstown to Carrieres-sur-Seine | 3,651.75 mi (5,876.92 km) |
| Hackettstown to Carros | 4,014.68 mi (6,461.00 km) |
| Hackettstown to Carvin | 3,638.59 mi (5,855.75 km) |
| Hackettstown to Castanet-Tolosan | 3,768.55 mi (6,064.89 km) |
| Hackettstown to Castelginest | 3,760.31 mi (6,051.63 km) |
| Hackettstown to Castelnau-le-Lez | 3,872.95 mi (6,232.91 km) |
| Hackettstown to Castelnaudary | 3,795.08 mi (6,107.59 km) |
| Hackettstown to Castelsarrasin | 3,735.43 mi (6,011.59 km) |
| Hackettstown to Castres | 3,799.95 mi (6,115.42 km) |
| Hackettstown to Caudebec-les-Elbeuf | 3,589.00 mi (5,775.93 km) |
| Hackettstown to Caudry | 3,666.64 mi (5,900.89 km) |
