| Mariehamn to Dabuleni | 1,139.43 mi (1,833.74 km) |
| Mariehamn to Darabani | 865.05 mi (1,392.17 km) |
| Mariehamn to Darmanesti | 985.36 mi (1,585.78 km) |
| Mariehamn to Dej | 912.62 mi (1,468.72 km) |
| Mariehamn to Deva | 990.18 mi (1,593.54 km) |
| Mariehamn to Dolhasca | 915.75 mi (1,473.76 km) |
| Mariehamn to Dorohoi | 877.89 mi (1,412.83 km) |
| Mariehamn to Draganesti-Olt | 1,117.15 mi (1,797.87 km) |
| Mariehamn to Dragasani | 1,081.65 mi (1,740.75 km) |
| Mariehamn to Drobeta-Turnu Severin | 1,074.55 mi (1,729.32 km) |
| Mariehamn to Fagaras | 1,006.31 mi (1,619.50 km) |
| Mariehamn to Falticeni | 910.20 mi (1,464.83 km) |
| Mariehamn to Fetesti | 1,132.04 mi (1,821.84 km) |
| Mariehamn to Filiasi | 1,094.92 mi (1,762.11 km) |
| Mariehamn to Flamanzi | 910.86 mi (1,465.89 km) |
