| Hackettstown to Chojnice | 4,106.06 mi (6,608.07 km) |
| Hackettstown to Chojnow | 4,127.29 mi (6,642.24 km) |
| Hackettstown to Chorzow | 4,274.80 mi (6,879.62 km) |
| Hackettstown to Choszczno | 4,045.95 mi (6,511.32 km) |
| Hackettstown to Chrzanow | 4,297.78 mi (6,916.61 km) |
| Hackettstown to Ciechanow | 4,245.18 mi (6,831.96 km) |
| Hackettstown to Ciechocinek | 4,178.07 mi (6,723.95 km) |
| Hackettstown to Cieszyn | 4,282.45 mi (6,891.93 km) |
| Hackettstown to Czarna Bialostocka | 4,322.98 mi (6,957.17 km) |
| Hackettstown to Czarnkow | 4,096.79 mi (6,593.14 km) |
| Hackettstown to Czechowice-Dziedzice | 4,290.81 mi (6,905.38 km) |
| Hackettstown to Czeladz | 4,278.64 mi (6,885.81 km) |
| Hackettstown to Czersk Pomorski | 4,118.17 mi (6,627.55 km) |
| Hackettstown to Czestochowa | 4,263.23 mi (6,861.01 km) |
| Hackettstown to Czluchow | 4,100.58 mi (6,599.24 km) |
