| Mullingar to Dendermonde | 512.50 mi (824.79 km) |
| Mullingar to Dessel | 547.78 mi (881.56 km) |
| Mullingar to Destelbergen | 500.14 mi (804.90 km) |
| Mullingar to Deurne | 521.75 mi (839.67 km) |
| Mullingar to Diepenbeek | 568.48 mi (914.88 km) |
| Mullingar to Diest | 551.73 mi (887.92 km) |
| Mullingar to Diksmuide | 463.88 mi (746.54 km) |
| Mullingar to Dilbeek | 524.20 mi (843.62 km) |
| Mullingar to Dinant | 567.93 mi (913.99 km) |
| Mullingar to Dison | 593.94 mi (955.86 km) |
| Mullingar to Dour | 519.55 mi (836.13 km) |
| Mullingar to Drongen | 494.87 mi (796.41 km) |
| Mullingar to Duffel | 527.24 mi (848.51 km) |
| Mullingar to Durbuy | 586.34 mi (943.62 km) |
| Mullingar to Ecaussinnes-Lalaing | 529.71 mi (852.49 km) |
