| Rockville to Dendermonde | 3,844.32 mi (6,186.84 km) |
| Rockville to Dessel | 3,880.06 mi (6,244.36 km) |
| Rockville to Destelbergen | 3,831.78 mi (6,166.65 km) |
| Rockville to Deurne | 3,854.03 mi (6,202.47 km) |
| Rockville to Diepenbeek | 3,900.71 mi (6,277.59 km) |
| Rockville to Diest | 3,883.94 mi (6,250.59 km) |
| Rockville to Diksmuide | 3,794.39 mi (6,106.48 km) |
| Rockville to Dilbeek | 3,855.51 mi (6,204.85 km) |
| Rockville to Dinant | 3,897.43 mi (6,272.31 km) |
| Rockville to Dison | 3,925.91 mi (6,318.14 km) |
| Rockville to Dour | 3,847.63 mi (6,192.16 km) |
| Rockville to Drongen | 3,826.39 mi (6,157.98 km) |
| Rockville to Duffel | 3,859.42 mi (6,211.13 km) |
| Rockville to Durbuy | 3,917.10 mi (6,303.96 km) |
| Rockville to Ecaussinnes-Lalaing | 3,859.69 mi (6,211.57 km) |
