| Hertford to Delitzsch | 531.99 mi (856.15 km) |
| Hertford to Delmenhorst | 376.78 mi (606.37 km) |
| Hertford to Demmin | 565.61 mi (910.27 km) |
| Hertford to Denkendorf | 466.65 mi (751.00 km) |
| Hertford to Denzlingen | 437.42 mi (703.96 km) |
| Hertford to Dessau-Rosslau | 525.22 mi (845.25 km) |
| Hertford to Detmold | 382.18 mi (615.06 km) |
| Hertford to Dettingen an der Erms | 473.78 mi (762.48 km) |
| Hertford to Dieburg | 410.59 mi (660.77 km) |
| Hertford to Diedorf | 535.89 mi (862.43 km) |
| Hertford to Dielheim | 423.80 mi (682.03 km) |
| Hertford to Diepholz | 361.90 mi (582.42 km) |
| Hertford to Diessen am Ammersee | 563.40 mi (906.70 km) |
| Hertford to Dietzenbach | 404.87 mi (651.57 km) |
| Hertford to Diez | 364.61 mi (586.78 km) |
