| Pontypridd to Dendermonde | 323.62 mi (520.82 km) |
| Pontypridd to Dessel | 365.16 mi (587.67 km) |
| Pontypridd to Destelbergen | 310.58 mi (499.83 km) |
| Pontypridd to Deurne | 337.17 mi (542.62 km) |
| Pontypridd to Diepenbeek | 381.58 mi (614.09 km) |
| Pontypridd to Diest | 364.94 mi (587.32 km) |
| Pontypridd to Diksmuide | 270.89 mi (435.96 km) |
| Pontypridd to Dilbeek | 332.67 mi (535.38 km) |
| Pontypridd to Dinant | 371.03 mi (597.12 km) |
| Pontypridd to Dison | 404.23 mi (650.54 km) |
| Pontypridd to Dour | 320.54 mi (515.86 km) |
| Pontypridd to Drongen | 304.88 mi (490.65 km) |
| Pontypridd to Duffel | 340.72 mi (548.34 km) |
| Pontypridd to Durbuy | 392.11 mi (631.04 km) |
| Pontypridd to Ecaussinnes-Lalaing | 334.20 mi (537.84 km) |
