| Hertford to Caltagirone | 1,231.39 mi (1,981.72 km) |
| Hertford to Caltanissetta | 1,203.80 mi (1,937.33 km) |
| Hertford to Calvisano | 651.17 mi (1,047.95 km) |
| Hertford to Calvizzano | 1,011.02 mi (1,627.08 km) |
| Hertford to Camaiore | 724.24 mi (1,165.55 km) |
| Hertford to Cameri | 589.10 mi (948.06 km) |
| Hertford to Camisano Vicentino | 689.95 mi (1,110.37 km) |
| Hertford to Campagna | 1,053.04 mi (1,694.70 km) |
| Hertford to Campagnano di Roma | 886.92 mi (1,427.36 km) |
| Hertford to Campi Bisenzio | 756.39 mi (1,217.30 km) |
| Hertford to Campi Salentina | 1,165.24 mi (1,875.28 km) |
| Hertford to Campiglia Marittima | 781.70 mi (1,258.03 km) |
| Hertford to Campobasso | 990.42 mi (1,593.93 km) |
| Hertford to Campobello di Licata | 1,214.18 mi (1,954.03 km) |
| Hertford to Campobello di Mazara | 1,159.95 mi (1,866.76 km) |
