| Gaithersburg to Cutrofiano | 4,799.83 mi (7,724.58 km) |
| Gaithersburg to Dalmine | 4,229.82 mi (6,807.23 km) |
| Gaithersburg to Deruta | 4,441.33 mi (7,147.63 km) |
| Gaithersburg to Desenzano del Garda | 4,275.59 mi (6,880.90 km) |
| Gaithersburg to Desio | 4,214.51 mi (6,782.60 km) |
| Gaithersburg to Dolianova | 4,422.96 mi (7,118.07 km) |
| Gaithersburg to Dolo | 4,342.34 mi (6,988.33 km) |
| Gaithersburg to Domodossola | 4,159.11 mi (6,693.43 km) |
| Gaithersburg to Dorgali | 4,409.16 mi (7,095.86 km) |
| Gaithersburg to Dueville | 4,313.19 mi (6,941.41 km) |
| Gaithersburg to Eboli | 4,642.89 mi (7,472.01 km) |
| Gaithersburg to Elmas | 4,420.92 mi (7,114.78 km) |
| Gaithersburg to Empoli | 4,352.17 mi (7,004.14 km) |
| Gaithersburg to Enna | 4,723.15 mi (7,601.17 km) |
| Gaithersburg to Eraclea | 4,362.66 mi (7,021.02 km) |
