| Ottawa to Dendermonde | 4,192.85 mi (6,747.74 km) |
| Ottawa to Dessel | 4,223.54 mi (6,797.13 km) |
| Ottawa to Destelbergen | 4,181.05 mi (6,728.74 km) |
| Ottawa to Deurne | 4,199.59 mi (6,758.59 km) |
| Ottawa to Diepenbeek | 4,246.42 mi (6,833.95 km) |
| Ottawa to Diest | 4,230.03 mi (6,807.58 km) |
| Ottawa to Diksmuide | 4,146.60 mi (6,673.31 km) |
| Ottawa to Dilbeek | 4,205.54 mi (6,768.16 km) |
| Ottawa to Dinant | 4,250.86 mi (6,841.10 km) |
| Ottawa to Dison | 4,273.06 mi (6,876.82 km) |
| Ottawa to Dour | 4,203.31 mi (6,764.57 km) |
| Ottawa to Drongen | 4,176.06 mi (6,720.71 km) |
| Ottawa to Duffel | 4,206.03 mi (6,768.95 km) |
| Ottawa to Durbuy | 4,268.02 mi (6,868.71 km) |
| Ottawa to Ecaussinnes-Lalaing | 4,212.50 mi (6,779.37 km) |
