| Cities | Distance |
|---|---|
| Longford to Dendermonde | 534.49 mi (860.18 km) |
| Longford to Dessel | 569.25 mi (916.11 km) |
| Longford to Destelbergen | 522.20 mi (840.40 km) |
| Longford to Deurne | 543.42 mi (874.55 km) |
| Longford to Diepenbeek | 590.21 mi (949.86 km) |
| Longford to Diest | 573.49 mi (922.94 km) |
| Longford to Diksmuide | 486.24 mi (782.53 km) |
| Longford to Dilbeek | 546.35 mi (879.26 km) |
| Longford to Dinant | 590.37 mi (950.11 km) |
| Longford to Dison | 615.84 mi (991.09 km) |
| Longford to Dour | 542.20 mi (872.59 km) |
| Longford to Drongen | 516.97 mi (831.98 km) |
| Longford to Duffel | 549.03 mi (883.58 km) |
| Longford to Durbuy | 608.57 mi (979.40 km) |
| Longford to Ecaussinnes-Lalaing | 552.12 mi (888.54 km) |