| Cities | Distance |
|---|---|
| Harrow to Dendermonde | 195.74 mi (315.02 km) |
| Harrow to Dessel | 236.63 mi (380.82 km) |
| Harrow to Destelbergen | 182.79 mi (294.17 km) |
| Harrow to Deurne | 208.71 mi (335.89 km) |
| Harrow to Diepenbeek | 253.57 mi (408.08 km) |
| Harrow to Diest | 236.85 mi (381.17 km) |
| Harrow to Diksmuide | 143.88 mi (231.55 km) |
| Harrow to Dilbeek | 205.56 mi (330.82 km) |
| Harrow to Dinant | 246.55 mi (396.78 km) |
| Harrow to Dison | 276.93 mi (445.68 km) |
| Harrow to Dour | 197.26 mi (317.47 km) |
| Harrow to Drongen | 177.16 mi (285.11 km) |
| Harrow to Duffel | 212.50 mi (341.98 km) |
| Harrow to Durbuy | 266.35 mi (428.65 km) |
| Harrow to Ecaussinnes-Lalaing | 208.77 mi (335.99 km) |