| Dubuque to Delitzsch | 4,479.14 mi (7,208.47 km) |
| Dubuque to Delmenhorst | 4,290.40 mi (6,904.73 km) |
| Dubuque to Demmin | 4,403.05 mi (7,086.03 km) |
| Dubuque to Denkendorf | 4,490.24 mi (7,226.35 km) |
| Dubuque to Denzlingen | 4,463.06 mi (7,182.61 km) |
| Dubuque to Dessau-Rosslau | 4,462.54 mi (7,181.77 km) |
| Dubuque to Detmold | 4,343.08 mi (6,989.51 km) |
| Dubuque to Dettingen an der Erms | 4,498.19 mi (7,239.14 km) |
| Dubuque to Dieburg | 4,423.92 mi (7,119.61 km) |
| Dubuque to Diedorf | 4,557.50 mi (7,334.59 km) |
| Dubuque to Dielheim | 4,444.90 mi (7,153.37 km) |
| Dubuque to Diepholz | 4,298.84 mi (6,918.32 km) |
| Dubuque to Diessen am Ammersee | 4,586.59 mi (7,381.41 km) |
| Dubuque to Dietzenbach | 4,416.78 mi (7,108.12 km) |
| Dubuque to Diez | 4,374.94 mi (7,040.78 km) |
