| Cities | Distance |
|---|---|
| Gap to Dendermonde | 456.59 mi (734.81 km) |
| Gap to Dessel | 463.26 mi (745.54 km) |
| Gap to Destelbergen | 460.69 mi (741.42 km) |
| Gap to Deurne | 466.54 mi (750.83 km) |
| Gap to Diepenbeek | 439.66 mi (707.56 km) |
| Gap to Diest | 446.49 mi (718.55 km) |
| Gap to Diksmuide | 471.37 mi (758.60 km) |
| Gap to Dilbeek | 441.71 mi (710.86 km) |
| Gap to Dinant | 398.05 mi (640.59 km) |
| Gap to Dison | 418.65 mi (673.76 km) |
| Gap to Dour | 417.37 mi (671.70 km) |
| Gap to Drongen | 462.15 mi (743.75 km) |
| Gap to Duffel | 457.65 mi (736.52 km) |
| Gap to Durbuy | 401.29 mi (645.82 km) |
| Gap to Ecaussinnes-Lalaing | 424.33 mi (682.89 km) |