| Herndon to Curtea de Arges | 4,882.24 mi (7,857.21 km) |
| Herndon to Dabuleni | 4,913.70 mi (7,907.84 km) |
| Herndon to Darabani | 4,830.08 mi (7,773.27 km) |
| Herndon to Darmanesti | 4,901.11 mi (7,887.57 km) |
| Herndon to Dej | 4,769.59 mi (7,675.92 km) |
| Herndon to Deva | 4,783.06 mi (7,697.59 km) |
| Herndon to Dolhasca | 4,862.03 mi (7,824.68 km) |
| Herndon to Dorohoi | 4,832.37 mi (7,776.95 km) |
| Herndon to Draganesti-Olt | 4,916.10 mi (7,911.70 km) |
| Herndon to Dragasani | 4,885.27 mi (7,862.08 km) |
| Herndon to Drobeta-Turnu Severin | 4,822.16 mi (7,760.51 km) |
| Herndon to Fagaras | 4,864.90 mi (7,829.30 km) |
| Herndon to Falticeni | 4,849.22 mi (7,804.07 km) |
| Herndon to Fetesti | 5,035.23 mi (8,103.43 km) |
| Herndon to Filiasi | 4,866.39 mi (7,831.70 km) |
