| Montemor-o-Velho to Dendermonde | 969.57 mi (1,560.37 km) |
| Montemor-o-Velho to Dessel | 1,010.59 mi (1,626.38 km) |
| Montemor-o-Velho to Destelbergen | 961.38 mi (1,547.19 km) |
| Montemor-o-Velho to Deurne | 990.01 mi (1,593.27 km) |
| Montemor-o-Velho to Diepenbeek | 1,004.79 mi (1,617.05 km) |
| Montemor-o-Velho to Diest | 996.70 mi (1,604.04 km) |
| Montemor-o-Velho to Diksmuide | 933.31 mi (1,502.01 km) |
| Montemor-o-Velho to Dilbeek | 964.33 mi (1,551.95 km) |
| Montemor-o-Velho to Dinant | 958.90 mi (1,543.21 km) |
| Montemor-o-Velho to Dison | 1,005.78 mi (1,618.65 km) |
| Montemor-o-Velho to Dour | 928.54 mi (1,494.33 km) |
| Montemor-o-Velho to Drongen | 957.41 mi (1,540.81 km) |
| Montemor-o-Velho to Duffel | 985.56 mi (1,586.11 km) |
| Montemor-o-Velho to Durbuy | 980.76 mi (1,578.38 km) |
| Montemor-o-Velho to Ecaussinnes-Lalaing | 949.33 mi (1,527.81 km) |
