| Tonypandy to Dendermonde | 328.39 mi (528.50 km) |
| Tonypandy to Dessel | 369.87 mi (595.24 km) |
| Tonypandy to Destelbergen | 315.36 mi (507.52 km) |
| Tonypandy to Deurne | 341.89 mi (550.22 km) |
| Tonypandy to Diepenbeek | 386.35 mi (621.77 km) |
| Tonypandy to Diest | 369.70 mi (594.98 km) |
| Tonypandy to Diksmuide | 275.70 mi (443.69 km) |
| Tonypandy to Dilbeek | 337.48 mi (543.12 km) |
| Tonypandy to Dinant | 375.90 mi (604.95 km) |
| Tonypandy to Dison | 409.04 mi (658.28 km) |
| Tonypandy to Dour | 325.42 mi (523.71 km) |
| Tonypandy to Drongen | 309.66 mi (498.35 km) |
| Tonypandy to Duffel | 345.47 mi (555.98 km) |
| Tonypandy to Durbuy | 396.96 mi (638.85 km) |
| Tonypandy to Ecaussinnes-Lalaing | 339.05 mi (545.65 km) |
