| Gaithersburg to Droylsden | 3,539.26 mi (5,695.88 km) |
| Gaithersburg to Dudley | 3,561.02 mi (5,730.91 km) |
| Gaithersburg to Dukinfield | 3,542.41 mi (5,700.95 km) |
| Gaithersburg to Dumbarton | 3,404.34 mi (5,478.75 km) |
| Gaithersburg to Dumfries | 3,454.78 mi (5,559.93 km) |
| Gaithersburg to Dunbar | 3,480.72 mi (5,601.67 km) |
| Gaithersburg to Dunblane | 3,423.43 mi (5,509.48 km) |
| Gaithersburg to Dundee | 3,456.40 mi (5,562.55 km) |
| Gaithersburg to Dunfermline | 3,444.97 mi (5,544.15 km) |
| Gaithersburg to Dunstable | 3,637.29 mi (5,853.65 km) |
| Gaithersburg to Durham | 3,537.89 mi (5,693.68 km) |
| Gaithersburg to Ealing | 3,654.38 mi (5,881.15 km) |
| Gaithersburg to Earlestown | 3,520.42 mi (5,665.56 km) |
| Gaithersburg to Earley | 3,630.35 mi (5,842.48 km) |
| Gaithersburg to East Barnet | 3,657.12 mi (5,885.57 km) |
