| Olney to Dendermonde | 3,838.07 mi (6,176.78 km) |
| Olney to Dessel | 3,873.81 mi (6,234.29 km) |
| Olney to Destelbergen | 3,825.53 mi (6,156.59 km) |
| Olney to Deurne | 3,847.78 mi (6,192.40 km) |
| Olney to Diepenbeek | 3,894.46 mi (6,267.52 km) |
| Olney to Diest | 3,877.68 mi (6,240.53 km) |
| Olney to Diksmuide | 3,788.14 mi (6,096.42 km) |
| Olney to Dilbeek | 3,849.26 mi (6,194.79 km) |
| Olney to Dinant | 3,891.19 mi (6,262.26 km) |
| Olney to Dison | 3,919.66 mi (6,308.08 km) |
| Olney to Dour | 3,841.38 mi (6,182.11 km) |
| Olney to Drongen | 3,820.14 mi (6,147.92 km) |
| Olney to Duffel | 3,853.16 mi (6,201.07 km) |
| Olney to Durbuy | 3,910.85 mi (6,293.90 km) |
| Olney to Ecaussinnes-Lalaing | 3,853.44 mi (6,201.52 km) |
