| Round Rock to Dendermonde | 5,076.41 mi (8,169.68 km) |
| Round Rock to Dessel | 5,108.42 mi (8,221.21 km) |
| Round Rock to Destelbergen | 5,064.38 mi (8,150.34 km) |
| Round Rock to Deurne | 5,083.91 mi (8,181.76 km) |
| Round Rock to Diepenbeek | 5,130.81 mi (8,257.24 km) |
| Round Rock to Diest | 5,114.29 mi (8,230.65 km) |
| Round Rock to Diksmuide | 5,029.08 mi (8,093.52 km) |
| Round Rock to Dilbeek | 5,088.74 mi (8,189.53 km) |
| Round Rock to Dinant | 5,133.26 mi (8,261.19 km) |
| Round Rock to Dison | 5,157.15 mi (8,299.63 km) |
| Round Rock to Dour | 5,084.98 mi (8,183.48 km) |
| Round Rock to Drongen | 5,059.28 mi (8,142.12 km) |
| Round Rock to Duffel | 5,090.10 mi (8,191.72 km) |
| Round Rock to Durbuy | 5,151.13 mi (8,289.94 km) |
| Round Rock to Ecaussinnes-Lalaing | 5,094.98 mi (8,199.58 km) |
