| Saint-Omer to Dendermonde | 82.54 mi (132.84 km) |
| Saint-Omer to Dessel | 128.64 mi (207.02 km) |
| Saint-Omer to Destelbergen | 70.24 mi (113.03 km) |
| Saint-Omer to Deurne | 101.26 mi (162.96 km) |
| Saint-Omer to Diepenbeek | 138.19 mi (222.40 km) |
| Saint-Omer to Diest | 122.77 mi (197.58 km) |
| Saint-Omer to Diksmuide | 32.94 mi (53.01 km) |
| Saint-Omer to Dilbeek | 87.08 mi (140.14 km) |
| Saint-Omer to Dinant | 121.35 mi (195.29 km) |
| Saint-Omer to Dison | 157.38 mi (253.28 km) |
| Saint-Omer to Dour | 70.95 mi (114.18 km) |
| Saint-Omer to Drongen | 64.71 mi (104.14 km) |
| Saint-Omer to Duffel | 101.21 mi (162.88 km) |
| Saint-Omer to Durbuy | 142.92 mi (230.01 km) |
| Saint-Omer to Ecaussinnes-Lalaing | 85.14 mi (137.01 km) |
