| Hertford to Collegno | 581.12 mi (935.23 km) |
| Hertford to Cologno al Serio | 618.02 mi (994.61 km) |
| Hertford to Cologno Monzese | 607.23 mi (977.24 km) |
| Hertford to Colorno | 673.63 mi (1,084.10 km) |
| Hertford to Comacchio | 745.67 mi (1,200.04 km) |
| Hertford to Comiso | 1,250.95 mi (2,013.22 km) |
| Hertford to Como | 586.50 mi (943.89 km) |
| Hertford to Concordia Sagittaria | 719.42 mi (1,157.80 km) |
| Hertford to Concorezzo | 605.90 mi (975.11 km) |
| Hertford to Conegliano | 693.76 mi (1,116.50 km) |
| Hertford to Conselice | 742.87 mi (1,195.54 km) |
| Hertford to Conselve | 708.73 mi (1,140.60 km) |
| Hertford to Conversano | 1,104.67 mi (1,777.79 km) |
| Hertford to Copertino | 1,173.32 mi (1,888.27 km) |
| Hertford to Copparo | 723.78 mi (1,164.82 km) |
