| Gaithersburg to Curtea de Arges | 4,867.67 mi (7,833.76 km) |
| Gaithersburg to Dabuleni | 4,899.19 mi (7,884.48 km) |
| Gaithersburg to Darabani | 4,815.42 mi (7,749.67 km) |
| Gaithersburg to Darmanesti | 4,886.48 mi (7,864.03 km) |
| Gaithersburg to Dej | 4,754.98 mi (7,652.40 km) |
| Gaithersburg to Deva | 4,768.49 mi (7,674.15 km) |
| Gaithersburg to Dolhasca | 4,847.38 mi (7,801.10 km) |
| Gaithersburg to Dorohoi | 4,817.72 mi (7,753.36 km) |
| Gaithersburg to Draganesti-Olt | 4,901.56 mi (7,888.30 km) |
| Gaithersburg to Dragasani | 4,870.72 mi (7,838.66 km) |
| Gaithersburg to Drobeta-Turnu Severin | 4,807.63 mi (7,737.14 km) |
| Gaithersburg to Fagaras | 4,850.31 mi (7,805.81 km) |
| Gaithersburg to Falticeni | 4,834.57 mi (7,780.49 km) |
| Gaithersburg to Fetesti | 5,020.64 mi (8,079.93 km) |
| Gaithersburg to Filiasi | 4,851.86 mi (7,808.31 km) |
