| Irmo to Dendermonde | 4,242.60 mi (6,827.81 km) |
| Irmo to Dessel | 4,279.18 mi (6,886.67 km) |
| Irmo to Destelbergen | 4,229.95 mi (6,807.45 km) |
| Irmo to Deurne | 4,252.84 mi (6,844.28 km) |
| Irmo to Diepenbeek | 4,299.36 mi (6,919.15 km) |
| Irmo to Diest | 4,282.56 mi (6,892.11 km) |
| Irmo to Diksmuide | 4,192.11 mi (6,746.54 km) |
| Irmo to Dilbeek | 4,253.48 mi (6,845.31 km) |
| Irmo to Dinant | 4,294.62 mi (6,911.52 km) |
| Irmo to Dison | 4,324.22 mi (6,959.16 km) |
| Irmo to Dour | 4,244.51 mi (6,830.88 km) |
| Irmo to Drongen | 4,224.50 mi (6,798.68 km) |
| Irmo to Duffel | 4,258.01 mi (6,852.61 km) |
| Irmo to Durbuy | 4,314.72 mi (6,943.87 km) |
| Irmo to Ecaussinnes-Lalaing | 4,257.10 mi (6,851.14 km) |
