| Gaithersburg to Dewsbury | 3,555.97 mi (5,722.78 km) |
| Gaithersburg to Deysbrook | 3,509.55 mi (5,648.07 km) |
| Gaithersburg to Didcot | 3,614.04 mi (5,816.23 km) |
| Gaithersburg to Dingle | 3,509.42 mi (5,647.86 km) |
| Gaithersburg to Dinnington | 3,579.37 mi (5,760.44 km) |
| Gaithersburg to Dodworth | 3,563.25 mi (5,734.50 km) |
| Gaithersburg to Dollis Hill | 3,655.98 mi (5,883.73 km) |
| Gaithersburg to Doncaster | 3,578.87 mi (5,759.64 km) |
| Gaithersburg to Dorchester | 3,583.73 mi (5,767.45 km) |
| Gaithersburg to Dorking | 3,659.41 mi (5,889.25 km) |
| Gaithersburg to Dorridge | 3,577.20 mi (5,756.95 km) |
| Gaithersburg to Dover | 3,728.75 mi (6,000.85 km) |
| Gaithersburg to Downham Market | 3,658.39 mi (5,887.61 km) |
| Gaithersburg to Droitwich | 3,563.27 mi (5,734.53 km) |
| Gaithersburg to Dronfield | 3,570.11 mi (5,745.54 km) |
