| Gaithersburg to Darlaston | 3,561.51 mi (5,731.70 km) |
| Gaithersburg to Darlington | 3,543.28 mi (5,702.36 km) |
| Gaithersburg to Dartford | 3,677.23 mi (5,917.94 km) |
| Gaithersburg to Darton | 3,561.97 mi (5,732.44 km) |
| Gaithersburg to Darwen | 3,523.26 mi (5,670.14 km) |
| Gaithersburg to Daventry | 3,603.45 mi (5,799.19 km) |
| Gaithersburg to Davyhulme | 3,531.46 mi (5,683.33 km) |
| Gaithersburg to Dawlish | 3,543.57 mi (5,702.82 km) |
| Gaithersburg to Deal | 3,730.29 mi (6,003.32 km) |
| Gaithersburg to Denby Dale | 3,557.40 mi (5,725.08 km) |
| Gaithersburg to Denton | 3,541.60 mi (5,699.65 km) |
| Gaithersburg to Derby | 3,577.28 mi (5,757.07 km) |
| Gaithersburg to Derry | 3,311.38 mi (5,329.16 km) |
| Gaithersburg to Desborough | 3,613.54 mi (5,815.44 km) |
| Gaithersburg to Devizes | 3,588.49 mi (5,775.11 km) |
