| Hertford to Cognac | 421.68 mi (678.63 km) |
| Hertford to Cogolin | 665.34 mi (1,070.76 km) |
| Hertford to Colmar | 418.14 mi (672.94 km) |
| Hertford to Colombes | 223.46 mi (359.63 km) |
| Hertford to Colomiers | 569.15 mi (915.96 km) |
| Hertford to Combs-la-Ville | 245.43 mi (394.98 km) |
| Hertford to Comines | 151.31 mi (243.50 km) |
| Hertford to Compiegne | 207.95 mi (334.66 km) |
| Hertford to Concarneau | 320.38 mi (515.61 km) |
| Hertford to Conde-sur-l'Escaut | 184.28 mi (296.56 km) |
| Hertford to Conflans-Sainte-Honorine | 215.71 mi (347.15 km) |
| Hertford to Corbas | 480.14 mi (772.71 km) |
| Hertford to Corbeil-Essonnes | 247.28 mi (397.96 km) |
| Hertford to Cormeilles-en-Parisis | 219.33 mi (352.97 km) |
| Hertford to Cosne sur Loire | 331.47 mi (533.45 km) |
