| Hertford to Creutzwald | 347.16 mi (558.70 km) |
| Hertford to Croissy-sur-Seine | 224.14 mi (360.72 km) |
| Hertford to Croix | 159.59 mi (256.83 km) |
| Hertford to Crosne | 240.63 mi (387.25 km) |
| Hertford to Cuers | 656.73 mi (1,056.90 km) |
| Hertford to Cugnaux | 574.42 mi (924.43 km) |
| Hertford to Cusset | 422.66 mi (680.20 km) |
| Hertford to Dammarie-le-Lys | 256.47 mi (412.74 km) |
| Hertford to Dammartin-en-Goele | 225.02 mi (362.13 km) |
| Hertford to Dardilly | 468.44 mi (753.89 km) |
| Hertford to Darnetal | 171.18 mi (275.50 km) |
| Hertford to Dax | 560.54 mi (902.10 km) |
| Hertford to Decines-Charpieu | 475.13 mi (764.64 km) |
| Hertford to Denain | 181.69 mi (292.41 km) |
| Hertford to Deuil-la-Barre | 221.74 mi (356.86 km) |
