| Oulu to Dendermonde | 1,230.11 mi (1,979.67 km) |
| Oulu to Dessel | 1,196.15 mi (1,925.02 km) |
| Oulu to Destelbergen | 1,235.70 mi (1,988.67 km) |
| Oulu to Deurne | 1,210.77 mi (1,948.55 km) |
| Oulu to Diepenbeek | 1,209.45 mi (1,946.43 km) |
| Oulu to Diest | 1,212.50 mi (1,951.34 km) |
| Oulu to Diksmuide | 1,257.53 mi (2,023.80 km) |
| Oulu to Dilbeek | 1,238.81 mi (1,993.67 km) |
| Oulu to Dinant | 1,258.83 mi (2,025.88 km) |
| Oulu to Dison | 1,218.14 mi (1,960.40 km) |
| Oulu to Dour | 1,275.13 mi (2,052.13 km) |
| Oulu to Drongen | 1,238.65 mi (1,993.42 km) |
| Oulu to Duffel | 1,217.05 mi (1,958.66 km) |
| Oulu to Durbuy | 1,242.39 mi (1,999.44 km) |
| Oulu to Ecaussinnes-Lalaing | 1,256.27 mi (2,021.77 km) |
