| Saint Helens to Dendermonde | 334.27 mi (537.95 km) |
| Saint Helens to Dessel | 365.43 mi (588.10 km) |
| Saint Helens to Destelbergen | 322.71 mi (519.36 km) |
| Saint Helens to Deurne | 340.89 mi (548.61 km) |
| Saint Helens to Diepenbeek | 387.77 mi (624.06 km) |
| Saint Helens to Diest | 371.31 mi (597.56 km) |
| Saint Helens to Diksmuide | 290.30 mi (467.19 km) |
| Saint Helens to Dilbeek | 347.32 mi (558.96 km) |
| Saint Helens to Dinant | 393.89 mi (633.90 km) |
| Saint Helens to Dison | 414.29 mi (666.73 km) |
| Saint Helens to Dour | 348.92 mi (561.54 km) |
| Saint Helens to Drongen | 317.90 mi (511.60 km) |
| Saint Helens to Duffel | 347.25 mi (558.84 km) |
| Saint Helens to Durbuy | 409.76 mi (659.44 km) |
| Saint Helens to Ecaussinnes-Lalaing | 355.62 mi (572.31 km) |
