| Hackettstown to Coudekerque-Branche | 3,602.20 mi (5,797.18 km) |
| Hackettstown to Coueron | 3,523.32 mi (5,670.24 km) |
| Hackettstown to Coulommiers | 3,687.63 mi (5,934.66 km) |
| Hackettstown to Courbevoic | 3,650.58 mi (5,875.05 km) |
| Hackettstown to Courcouronnes | 3,665.23 mi (5,898.63 km) |
| Hackettstown to Cournon-d'Auvergne | 3,778.53 mi (6,080.95 km) |
| Hackettstown to Courrieres | 3,639.04 mi (5,856.47 km) |
| Hackettstown to Coutras | 3,651.45 mi (5,876.44 km) |
| Hackettstown to Couzeix | 3,688.80 mi (5,936.55 km) |
| Hackettstown to Cran-Gevrier | 3,899.88 mi (6,276.26 km) |
| Hackettstown to Craponne | 3,844.95 mi (6,187.84 km) |
| Hackettstown to Creil | 3,650.79 mi (5,875.38 km) |
| Hackettstown to Crepy-en-Valois | 3,668.29 mi (5,903.54 km) |
| Hackettstown to Crest | 3,888.92 mi (6,258.61 km) |
| Hackettstown to Creteil | 3,662.21 mi (5,893.76 km) |
