| Herndon to Dormagen | 3,966.02 mi (6,382.70 km) |
| Herndon to Dornstadt | 4,169.19 mi (6,709.66 km) |
| Herndon to Dorsten | 3,956.61 mi (6,367.55 km) |
| Herndon to Dortmund | 3,980.34 mi (6,405.74 km) |
| Herndon to Dorverden | 4,011.88 mi (6,456.50 km) |
| Herndon to Dossenheim | 4,087.73 mi (6,578.56 km) |
| Herndon to Dreieich | 4,072.61 mi (6,554.23 km) |
| Herndon to Drensteinfurt | 3,983.40 mi (6,410.66 km) |
| Herndon to Dresden | 4,238.72 mi (6,821.57 km) |
| Herndon to Drochtersen | 3,993.99 mi (6,427.70 km) |
| Herndon to Drolshagen | 4,005.66 mi (6,446.48 km) |
| Herndon to Duderstadt | 4,089.84 mi (6,581.96 km) |
| Herndon to Duisburg | 3,954.75 mi (6,364.56 km) |
| Herndon to Dulmen | 3,964.33 mi (6,379.97 km) |
| Herndon to Duren | 3,960.91 mi (6,374.46 km) |
