| Hertford to Carpentras | 584.77 mi (941.10 km) |
| Hertford to Carquefou | 317.29 mi (510.63 km) |
| Hertford to Carqueiranne | 665.81 mi (1,071.52 km) |
| Hertford to Carrieres-sous-Poissy | 217.78 mi (350.48 km) |
| Hertford to Carrieres-sur-Seine | 225.00 mi (362.10 km) |
| Hertford to Carros | 648.35 mi (1,043.42 km) |
| Hertford to Carvin | 159.43 mi (256.57 km) |
| Hertford to Castanet-Tolosan | 576.80 mi (928.27 km) |
| Hertford to Castelginest | 564.21 mi (908.01 km) |
| Hertford to Castelnau-le-Lez | 593.12 mi (954.53 km) |
| Hertford to Castelnaudary | 593.35 mi (954.91 km) |
| Hertford to Castelsarrasin | 538.71 mi (866.97 km) |
| Hertford to Castres | 576.50 mi (927.78 km) |
| Hertford to Caudebec-les-Elbeuf | 180.39 mi (290.31 km) |
| Hertford to Caudry | 190.74 mi (306.97 km) |
