| Harpenden to Chateaubriant | 286.98 mi (461.84 km) |
| Harpenden to Chateaudun | 269.54 mi (433.78 km) |
| Harpenden to Chateauneuf-les-Martigues | 636.47 mi (1,024.29 km) |
| Harpenden to Chateaurenard | 598.69 mi (963.49 km) |
| Harpenden to Chateauroux | 357.96 mi (576.08 km) |
| Harpenden to Chatellerault | 347.80 mi (559.73 km) |
| Harpenden to Chatenay-Malabry | 240.70 mi (387.37 km) |
| Harpenden to Chatillon | 238.84 mi (384.38 km) |
| Harpenden to Chatou | 230.54 mi (371.01 km) |
| Harpenden to Chaumont | 353.54 mi (568.97 km) |
| Harpenden to Chauny | 218.03 mi (350.89 km) |
| Harpenden to Chaville | 236.16 mi (380.07 km) |
| Harpenden to Checy | 291.05 mi (468.41 km) |
| Harpenden to Chelles | 240.88 mi (387.65 km) |
| Harpenden to Chennevieres-sur-Marne | 244.37 mi (393.27 km) |
