| Llantwit Major to Dendermonde | 328.68 mi (528.95 km) |
| Llantwit Major to Dessel | 370.98 mi (597.04 km) |
| Llantwit Major to Destelbergen | 315.60 mi (507.91 km) |
| Llantwit Major to Deurne | 342.85 mi (551.76 km) |
| Llantwit Major to Diepenbeek | 386.65 mi (622.26 km) |
| Llantwit Major to Diest | 370.12 mi (595.64 km) |
| Llantwit Major to Diksmuide | 275.56 mi (443.47 km) |
| Llantwit Major to Dilbeek | 337.20 mi (542.67 km) |
| Llantwit Major to Dinant | 374.31 mi (602.40 km) |
| Llantwit Major to Dison | 408.74 mi (657.80 km) |
| Llantwit Major to Dour | 323.59 mi (520.78 km) |
| Llantwit Major to Drongen | 309.86 mi (498.67 km) |
| Llantwit Major to Duffel | 346.07 mi (556.94 km) |
| Llantwit Major to Durbuy | 395.85 mi (637.06 km) |
| Llantwit Major to Ecaussinnes-Lalaing | 337.94 mi (543.87 km) |
