| Hartford to Cadiz | 3,486.54 mi (5,611.05 km) |
| Hartford to Calafell | 3,715.00 mi (5,978.72 km) |
| Hartford to Calahorra | 3,517.90 mi (5,661.51 km) |
| Hartford to Calasparra | 3,655.54 mi (5,883.02 km) |
| Hartford to Calatayud | 3,561.49 mi (5,731.66 km) |
| Hartford to Caldas de Montbuy | 3,728.97 mi (6,001.20 km) |
| Hartford to Caldas de Reyes | 3,197.47 mi (5,145.83 km) |
| Hartford to Calella | 3,752.29 mi (6,038.73 km) |
| Hartford to Callosa de Segura | 3,698.37 mi (5,951.95 km) |
| Hartford to Calpe | 3,725.40 mi (5,995.46 km) |
| Hartford to Calvia | 3,811.32 mi (6,133.72 km) |
| Hartford to Camas | 3,472.01 mi (5,587.66 km) |
| Hartford to Cambados | 3,192.48 mi (5,137.80 km) |
| Hartford to Cambre | 3,194.49 mi (5,141.03 km) |
| Hartford to Cambrils | 3,695.43 mi (5,947.22 km) |
