| Aberystwyth to Dendermonde | 362.69 mi (583.69 km) |
| Aberystwyth to Dessel | 400.88 mi (645.15 km) |
| Aberystwyth to Destelbergen | 349.96 mi (563.21 km) |
| Aberystwyth to Deurne | 373.79 mi (601.55 km) |
| Aberystwyth to Diepenbeek | 419.86 mi (675.70 km) |
| Aberystwyth to Diest | 403.05 mi (648.65 km) |
| Aberystwyth to Diksmuide | 312.14 mi (502.35 km) |
| Aberystwyth to Dilbeek | 373.43 mi (600.97 km) |
| Aberystwyth to Dinant | 415.39 mi (668.50 km) |
| Aberystwyth to Dison | 444.28 mi (715.01 km) |
| Aberystwyth to Dour | 366.11 mi (589.21 km) |
| Aberystwyth to Drongen | 344.48 mi (554.39 km) |
| Aberystwyth to Duffel | 378.50 mi (609.14 km) |
| Aberystwyth to Durbuy | 434.85 mi (699.82 km) |
| Aberystwyth to Ecaussinnes-Lalaing | 377.49 mi (607.51 km) |
