| Willoughby to Dendermonde | 3,896.45 mi (6,270.73 km) |
| Willoughby to Dessel | 3,929.57 mi (6,324.03 km) |
| Willoughby to Destelbergen | 3,884.27 mi (6,251.13 km) |
| Willoughby to Deurne | 3,904.58 mi (6,283.82 km) |
| Willoughby to Diepenbeek | 3,951.49 mi (6,359.31 km) |
| Willoughby to Diest | 3,934.87 mi (6,332.56 km) |
| Willoughby to Diksmuide | 3,848.37 mi (6,193.35 km) |
| Willoughby to Dilbeek | 3,908.49 mi (6,290.11 km) |
| Willoughby to Dinant | 3,952.39 mi (6,360.76 km) |
| Willoughby to Dison | 3,977.54 mi (6,401.23 km) |
| Willoughby to Dour | 3,903.66 mi (6,282.34 km) |
| Willoughby to Drongen | 3,879.08 mi (6,242.78 km) |
| Willoughby to Duffel | 3,910.55 mi (6,293.43 km) |
| Willoughby to Durbuy | 3,970.75 mi (6,390.30 km) |
| Willoughby to Ecaussinnes-Lalaing | 3,914.20 mi (6,299.29 km) |
