| Hartford to Chojnice | 3,983.54 mi (6,410.89 km) |
| Hartford to Chojnow | 4,003.01 mi (6,442.22 km) |
| Hartford to Chorzow | 4,150.58 mi (6,679.71 km) |
| Hartford to Choszczno | 3,922.66 mi (6,312.91 km) |
| Hartford to Chrzanow | 4,173.57 mi (6,716.71 km) |
| Hartford to Ciechanow | 4,122.79 mi (6,635.00 km) |
| Hartford to Ciechocinek | 4,055.28 mi (6,526.34 km) |
| Hartford to Cieszyn | 4,157.89 mi (6,691.48 km) |
| Hartford to Czarna Bialostocka | 4,201.51 mi (6,761.67 km) |
| Hartford to Czarnkow | 3,973.56 mi (6,394.82 km) |
| Hartford to Czechowice-Dziedzice | 4,166.40 mi (6,705.17 km) |
| Hartford to Czeladz | 4,154.46 mi (6,685.96 km) |
| Hartford to Czersk Pomorski | 3,995.80 mi (6,430.61 km) |
| Hartford to Czestochowa | 4,139.31 mi (6,661.57 km) |
| Hartford to Czluchow | 3,978.00 mi (6,401.97 km) |
