| Cascais to Dendermonde | 1,075.42 mi (1,730.73 km) |
| Cascais to Dessel | 1,115.90 mi (1,795.87 km) |
| Cascais to Destelbergen | 1,067.48 mi (1,717.94 km) |
| Cascais to Deurne | 1,095.82 mi (1,763.54 km) |
| Cascais to Diepenbeek | 1,109.43 mi (1,785.45 km) |
| Cascais to Diest | 1,101.75 mi (1,773.10 km) |
| Cascais to Diksmuide | 1,040.06 mi (1,673.81 km) |
| Cascais to Dilbeek | 1,069.83 mi (1,721.73 km) |
| Cascais to Dinant | 1,063.03 mi (1,710.78 km) |
| Cascais to Dison | 1,109.62 mi (1,785.76 km) |
| Cascais to Dour | 1,033.87 mi (1,663.85 km) |
| Cascais to Drongen | 1,063.61 mi (1,711.72 km) |
| Cascais to Duffel | 1,091.18 mi (1,756.08 km) |
| Cascais to Durbuy | 1,084.52 mi (1,745.37 km) |
| Cascais to Ecaussinnes-Lalaing | 1,054.54 mi (1,697.13 km) |
