| Hertford to Cassina de' Pecchi | 610.67 mi (982.78 km) |
| Hertford to Cassino | 967.06 mi (1,556.33 km) |
| Hertford to Castagneto Carducci | 775.62 mi (1,248.23 km) |
| Hertford to Castano Primo | 590.03 mi (949.56 km) |
| Hertford to Castel Bolognese | 751.90 mi (1,210.07 km) |
| Hertford to Castel Gandolfo | 916.58 mi (1,475.09 km) |
| Hertford to Castel Goffredo | 658.02 mi (1,058.98 km) |
| Hertford to Castel Maggiore | 724.73 mi (1,166.34 km) |
| Hertford to Castel Mella | 637.05 mi (1,025.24 km) |
| Hertford to Castel San Giorgio | 1,033.83 mi (1,663.78 km) |
| Hertford to Castel San Giovanni | 637.30 mi (1,025.64 km) |
| Hertford to Castel San Pietro Terme | 740.44 mi (1,191.62 km) |
| Hertford to Castel Volturno | 994.37 mi (1,600.29 km) |
| Hertford to Castelbuono | 1,178.53 mi (1,896.66 km) |
| Hertford to Casteldaccia | 1,155.83 mi (1,860.13 km) |
