| Harpenden to Draguignan | 653.32 mi (1,051.41 km) |
| Harpenden to Drancy | 234.59 mi (377.54 km) |
| Harpenden to Draveil | 248.37 mi (399.72 km) |
| Harpenden to Dreux | 225.94 mi (363.61 km) |
| Harpenden to Dugny | 232.41 mi (374.03 km) |
| Harpenden to Dunkerque | 129.33 mi (208.14 km) |
| Harpenden to Eaubonne | 227.01 mi (365.34 km) |
| Harpenden to Echirolles | 538.03 mi (865.88 km) |
| Harpenden to Ecully | 478.10 mi (769.44 km) |
| Harpenden to Elancourt | 233.03 mi (375.02 km) |
| Harpenden to Elbeuf | 184.83 mi (297.46 km) |
| Harpenden to Elne | 655.49 mi (1,054.91 km) |
| Harpenden to Enghien-les-Bains | 228.98 mi (368.51 km) |
| Harpenden to Entraigues-sur-la-Sorgue | 592.31 mi (953.24 km) |
| Harpenden to Epernay | 269.81 mi (434.22 km) |
