| Hartford to Cognac | 3,496.77 mi (5,627.51 km) |
| Hartford to Cogolin | 3,874.51 mi (6,235.42 km) |
| Hartford to Colmar | 3,760.10 mi (6,051.29 km) |
| Hartford to Colombes | 3,522.86 mi (5,669.49 km) |
| Hartford to Colomiers | 3,630.54 mi (5,842.78 km) |
| Hartford to Combs-la-Ville | 3,542.45 mi (5,701.02 km) |
| Hartford to Comines | 3,507.52 mi (5,644.81 km) |
| Hartford to Compiegne | 3,534.04 mi (5,687.49 km) |
| Hartford to Concarneau | 3,283.83 mi (5,284.81 km) |
| Hartford to Conde-sur-l'Escaut | 3,539.17 mi (5,695.74 km) |
| Hartford to Conflans-Sainte-Honorine | 3,514.43 mi (5,655.92 km) |
| Hartford to Corbas | 3,727.47 mi (5,998.79 km) |
| Hartford to Corbeil-Essonnes | 3,540.63 mi (5,698.10 km) |
| Hartford to Cormeilles-en-Parisis | 3,519.42 mi (5,663.95 km) |
| Hartford to Cosne sur Loire | 3,591.92 mi (5,780.64 km) |
