| Porsgrunn to Dendermonde | 600.40 mi (966.25 km) |
| Porsgrunn to Dessel | 573.64 mi (923.19 km) |
| Porsgrunn to Destelbergen | 603.75 mi (971.64 km) |
| Porsgrunn to Deurne | 582.77 mi (937.88 km) |
| Porsgrunn to Diepenbeek | 591.79 mi (952.39 km) |
| Porsgrunn to Diest | 590.92 mi (951.00 km) |
| Porsgrunn to Diksmuide | 619.84 mi (997.53 km) |
| Porsgrunn to Dilbeek | 611.35 mi (983.87 km) |
| Porsgrunn to Dinant | 640.26 mi (1,030.39 km) |
| Porsgrunn to Dison | 606.69 mi (976.37 km) |
| Porsgrunn to Dour | 646.45 mi (1,040.37 km) |
| Porsgrunn to Drongen | 605.78 mi (974.91 km) |
| Porsgrunn to Duffel | 590.20 mi (949.84 km) |
| Porsgrunn to Durbuy | 628.50 mi (1,011.47 km) |
| Porsgrunn to Ecaussinnes-Lalaing | 629.75 mi (1,013.49 km) |
