| Hartford to Castelfidardo | 4,173.86 mi (6,717.18 km) |
| Hartford to Castelfiorentino | 4,057.77 mi (6,530.35 km) |
| Hartford to Castelfranco di Sopra | 4,082.59 mi (6,570.29 km) |
| Hartford to Castelfranco di Sotto | 4,044.94 mi (6,509.69 km) |
| Hartford to Castelfranco Emilia | 4,027.46 mi (6,481.57 km) |
| Hartford to Castelfranco Veneto | 4,028.72 mi (6,483.59 km) |
| Hartford to Castellabate | 4,352.38 mi (7,004.47 km) |
| Hartford to Castellammare del Golfo | 4,344.96 mi (6,992.53 km) |
| Hartford to Castellammare di Stabia | 4,315.90 mi (6,945.77 km) |
| Hartford to Castellamonte | 3,858.03 mi (6,208.90 km) |
| Hartford to Castellana Grotte | 4,426.05 mi (7,123.03 km) |
| Hartford to Castellaneta | 4,425.56 mi (7,122.26 km) |
| Hartford to Castellanza | 3,901.57 mi (6,278.97 km) |
| Hartford to Castellarano | 4,016.91 mi (6,464.59 km) |
| Hartford to Castelleone | 3,948.82 mi (6,355.01 km) |
