| Hackettstown to Corato | 4,510.09 mi (7,258.29 km) |
| Hackettstown to Corbetta | 4,034.45 mi (6,492.82 km) |
| Hackettstown to Corciano | 4,258.64 mi (6,853.62 km) |
| Hackettstown to Cordenons | 4,177.06 mi (6,722.33 km) |
| Hackettstown to Cori | 4,339.58 mi (6,983.88 km) |
| Hackettstown to Coriano | 4,242.84 mi (6,828.20 km) |
| Hackettstown to Corigliano Calabro | 4,575.01 mi (7,362.76 km) |
| Hackettstown to Corleone | 4,499.80 mi (7,241.73 km) |
| Hackettstown to Cormano | 4,042.43 mi (6,505.66 km) |
| Hackettstown to Cornaredo | 4,038.35 mi (6,499.10 km) |
| Hackettstown to Cornate d'Adda | 4,051.95 mi (6,520.99 km) |
| Hackettstown to Cornedo Vicentino | 4,132.88 mi (6,651.22 km) |
| Hackettstown to Correggio | 4,137.33 mi (6,658.39 km) |
| Hackettstown to Corridonia | 4,307.66 mi (6,932.51 km) |
| Hackettstown to Corsico | 4,044.09 mi (6,508.33 km) |
