| Mariehamn to Delmenhorst | 648.07 mi (1,042.96 km) |
| Mariehamn to Demmin | 499.83 mi (804.39 km) |
| Mariehamn to Denkendorf | 893.71 mi (1,438.29 km) |
| Mariehamn to Denzlingen | 960.81 mi (1,546.27 km) |
| Mariehamn to Dessau-Rosslau | 643.15 mi (1,035.05 km) |
| Mariehamn to Detmold | 705.27 mi (1,135.02 km) |
| Mariehamn to Dettingen an der Erms | 903.62 mi (1,454.24 km) |
| Mariehamn to Dieburg | 827.99 mi (1,332.52 km) |
| Mariehamn to Diedorf | 890.35 mi (1,432.89 km) |
| Mariehamn to Dielheim | 868.36 mi (1,397.49 km) |
| Mariehamn to Diepholz | 679.19 mi (1,093.06 km) |
| Mariehamn to Diessen am Ammersee | 910.97 mi (1,466.07 km) |
| Mariehamn to Dietzenbach | 822.23 mi (1,323.25 km) |
| Mariehamn to Diez | 817.29 mi (1,315.30 km) |
| Mariehamn to Dillenburg | 789.74 mi (1,270.97 km) |
