| Cities | Distance |
|---|---|
| Harpenden to Deventer | 277.91 mi (447.25 km) |
| Harpenden to Diemen | 228.62 mi (367.93 km) |
| Harpenden to Doesburg | 276.65 mi (445.23 km) |
| Harpenden to Doetinchem | 283.75 mi (456.65 km) |
| Harpenden to Dokkum | 286.21 mi (460.62 km) |
| Harpenden to Dongen | 226.53 mi (364.56 km) |
| Harpenden to Doorn | 243.37 mi (391.66 km) |
| Harpenden to Dordrecht | 214.88 mi (345.82 km) |
| Harpenden to Drachten | 285.62 mi (459.66 km) |
| Harpenden to Drimmelen | 220.54 mi (354.93 km) |
| Harpenden to Dronten | 261.62 mi (421.03 km) |
| Harpenden to Druten | 254.02 mi (408.80 km) |
| Harpenden to Duiven | 272.41 mi (438.40 km) |
| Harpenden to Echt | 272.90 mi (439.19 km) |
| Harpenden to Edam | 233.93 mi (376.47 km) |