| Gaithersburg to Denizli | 5,362.66 mi (8,630.37 km) |
| Gaithersburg to Derecik | 5,992.55 mi (9,644.08 km) |
| Gaithersburg to Dereli | 5,592.48 mi (9,000.22 km) |
| Gaithersburg to Derik | 5,827.64 mi (9,378.68 km) |
| Gaithersburg to Derinkuyu | 5,564.13 mi (8,954.60 km) |
| Gaithersburg to Develi | 5,593.26 mi (9,001.48 km) |
| Gaithersburg to Dicle | 5,769.92 mi (9,285.80 km) |
| Gaithersburg to Digor | 5,790.71 mi (9,319.25 km) |
| Gaithersburg to Dikili | 5,213.66 mi (8,390.57 km) |
| Gaithersburg to Divrigi | 5,647.28 mi (9,088.41 km) |
| Gaithersburg to Diyadin | 5,842.96 mi (9,403.34 km) |
| Gaithersburg to Diyarbakir | 5,799.36 mi (9,333.18 km) |
| Gaithersburg to Doganhisar | 5,452.29 mi (8,774.61 km) |
| Gaithersburg to Dogansehir | 5,700.18 mi (9,173.55 km) |
| Gaithersburg to Dogubayazit | 5,857.02 mi (9,425.97 km) |
