| Porvoo to Dendermonde | 1,051.40 mi (1,692.07 km) |
| Porvoo to Dessel | 1,011.01 mi (1,627.07 km) |
| Porvoo to Destelbergen | 1,059.61 mi (1,705.28 km) |
| Porvoo to Deurne | 1,030.98 mi (1,659.20 km) |
| Porvoo to Diepenbeek | 1,018.68 mi (1,639.41 km) |
| Porvoo to Diest | 1,025.50 mi (1,650.38 km) |
| Porvoo to Diksmuide | 1,088.83 mi (1,752.30 km) |
| Porvoo to Dilbeek | 1,056.94 mi (1,700.99 km) |
| Porvoo to Dinant | 1,066.35 mi (1,716.12 km) |
| Porvoo to Dison | 1,021.13 mi (1,643.36 km) |
| Porvoo to Dour | 1,093.00 mi (1,759.01 km) |
| Porvoo to Drongen | 1,063.65 mi (1,711.77 km) |
| Porvoo to Duffel | 1,035.58 mi (1,666.60 km) |
| Porvoo to Durbuy | 1,046.28 mi (1,683.83 km) |
| Porvoo to Ecaussinnes-Lalaing | 1,072.44 mi (1,725.92 km) |
