| Hartford to Curtea de Arges | 4,568.90 mi (7,352.93 km) |
| Hartford to Dabuleni | 4,599.97 mi (7,402.93 km) |
| Hartford to Darabani | 4,518.52 mi (7,271.86 km) |
| Hartford to Darmanesti | 4,588.58 mi (7,384.60 km) |
| Hartford to Dej | 4,456.79 mi (7,172.52 km) |
| Hartford to Deva | 4,469.68 mi (7,193.25 km) |
| Hartford to Dolhasca | 4,550.05 mi (7,322.60 km) |
| Hartford to Dorohoi | 4,520.63 mi (7,275.25 km) |
| Hartford to Draganesti-Olt | 4,602.49 mi (7,406.98 km) |
| Hartford to Dragasani | 4,571.73 mi (7,357.49 km) |
| Hartford to Drobeta-Turnu Severin | 4,508.43 mi (7,255.62 km) |
| Hartford to Fagaras | 4,551.84 mi (7,325.48 km) |
| Hartford to Falticeni | 4,537.17 mi (7,301.88 km) |
| Hartford to Fetesti | 4,722.21 mi (7,599.66 km) |
| Hartford to Filiasi | 4,552.71 mi (7,326.88 km) |
