| Sofia to Dendermonde | 1,070.59 mi (1,722.94 km) |
| Sofia to Dessel | 1,037.17 mi (1,669.17 km) |
| Sofia to Destelbergen | 1,082.90 mi (1,742.76 km) |
| Sofia to Deurne | 1,062.15 mi (1,709.36 km) |
| Sofia to Diepenbeek | 1,015.25 mi (1,633.88 km) |
| Sofia to Diest | 1,031.89 mi (1,660.66 km) |
| Sofia to Diksmuide | 1,119.54 mi (1,801.73 km) |
| Sofia to Dilbeek | 1,058.85 mi (1,704.06 km) |
| Sofia to Dinant | 1,016.08 mi (1,635.23 km) |
| Sofia to Dison | 989.31 mi (1,592.14 km) |
| Sofia to Dour | 1,065.72 mi (1,715.11 km) |
| Sofia to Drongen | 1,088.17 mi (1,751.24 km) |
| Sofia to Duffel | 1,056.24 mi (1,699.86 km) |
| Sofia to Durbuy | 996.87 mi (1,604.30 km) |
| Sofia to Ecaussinnes-Lalaing | 1,053.99 mi (1,696.23 km) |
