| Harlau to Dendermonde | 1,054.31 mi (1,696.74 km) |
| Harlau to Dessel | 1,011.79 mi (1,628.32 km) |
| Harlau to Destelbergen | 1,067.39 mi (1,717.80 km) |
| Harlau to Deurne | 1,039.87 mi (1,673.51 km) |
| Harlau to Diepenbeek | 996.43 mi (1,603.60 km) |
| Harlau to Diest | 1,012.81 mi (1,629.96 km) |
| Harlau to Diksmuide | 1,107.75 mi (1,782.75 km) |
| Harlau to Dilbeek | 1,046.72 mi (1,684.54 km) |
| Harlau to Dinant | 1,015.18 mi (1,633.78 km) |
| Harlau to Dison | 975.78 mi (1,570.37 km) |
| Harlau to Dour | 1,065.62 mi (1,714.95 km) |
| Harlau to Drongen | 1,073.16 mi (1,727.09 km) |
| Harlau to Duffel | 1,036.69 mi (1,668.39 km) |
| Harlau to Durbuy | 991.72 mi (1,596.02 km) |
| Harlau to Ecaussinnes-Lalaing | 1,048.47 mi (1,687.35 km) |
