| Hertford to Castrovillari | 1,135.02 mi (1,826.64 km) |
| Hertford to Catania | 1,232.34 mi (1,983.25 km) |
| Hertford to Catanzaro | 1,198.40 mi (1,928.64 km) |
| Hertford to Cattolica | 801.06 mi (1,289.18 km) |
| Hertford to Cava de' Tirreni | 1,038.39 mi (1,671.12 km) |
| Hertford to Cavallino | 1,175.95 mi (1,892.51 km) |
| Hertford to Cavarzere | 720.89 mi (1,160.16 km) |
| Hertford to Cave | 921.40 mi (1,482.85 km) |
| Hertford to Cavriago | 690.59 mi (1,111.41 km) |
| Hertford to Cavriglia | 783.51 mi (1,260.94 km) |
| Hertford to Cazzago San Martino | 628.82 mi (1,012.00 km) |
| Hertford to Ceccano | 947.63 mi (1,525.07 km) |
| Hertford to Cecina | 764.78 mi (1,230.79 km) |
| Hertford to Cefalu | 1,170.27 mi (1,883.37 km) |
| Hertford to Ceglie Messapico | 1,134.34 mi (1,825.54 km) |
