| Hartford to Cortona | 4,113.34 mi (6,619.77 km) |
| Hartford to Cosenza | 4,447.20 mi (7,157.08 km) |
| Hartford to Cossato | 3,871.74 mi (6,230.96 km) |
| Hartford to Costa Volpino | 3,945.72 mi (6,350.03 km) |
| Hartford to Creazzo | 4,014.21 mi (6,460.24 km) |
| Hartford to Crema | 3,943.17 mi (6,345.93 km) |
| Hartford to Cremona | 3,965.82 mi (6,382.37 km) |
| Hartford to Crevalcore | 4,027.56 mi (6,481.73 km) |
| Hartford to Crispiano | 4,439.89 mi (7,145.31 km) |
| Hartford to Crosia | 4,459.63 mi (7,177.07 km) |
| Hartford to Crotone | 4,493.95 mi (7,232.32 km) |
| Hartford to Cuneo | 3,882.90 mi (6,248.92 km) |
| Hartford to Cuorgne | 3,855.10 mi (6,204.18 km) |
| Hartford to Cusano Milanino | 3,915.83 mi (6,301.93 km) |
| Hartford to Cutro | 4,490.01 mi (7,225.97 km) |
