| Siena to Delitzsch | 569.08 mi (915.84 km) |
| Siena to Delmenhorst | 683.71 mi (1,100.33 km) |
| Siena to Demmin | 735.58 mi (1,183.81 km) |
| Siena to Denkendorf | 383.88 mi (617.79 km) |
| Siena to Denzlingen | 367.89 mi (592.07 km) |
| Siena to Dessau-Rosslau | 589.82 mi (949.22 km) |
| Siena to Detmold | 606.27 mi (975.69 km) |
| Siena to Dettingen an der Erms | 372.47 mi (599.43 km) |
| Siena to Dieburg | 469.68 mi (755.88 km) |
| Siena to Diedorf | 348.72 mi (561.20 km) |
| Siena to Dielheim | 430.25 mi (692.43 km) |
| Siena to Diepholz | 656.10 mi (1,055.90 km) |
| Siena to Diessen am Ammersee | 320.21 mi (515.33 km) |
| Siena to Dietzenbach | 478.25 mi (769.66 km) |
| Siena to Diez | 511.72 mi (823.53 km) |
