| Leiria to Dendermonde | 996.76 mi (1,604.14 km) |
| Leiria to Dessel | 1,037.53 mi (1,669.75 km) |
| Leiria to Destelbergen | 988.69 mi (1,591.15 km) |
| Leiria to Deurne | 1,017.19 mi (1,637.00 km) |
| Leiria to Diepenbeek | 1,031.43 mi (1,659.92 km) |
| Leiria to Diest | 1,023.53 mi (1,647.21 km) |
| Leiria to Diksmuide | 960.95 mi (1,546.50 km) |
| Leiria to Dilbeek | 991.36 mi (1,595.44 km) |
| Leiria to Dinant | 985.31 mi (1,585.70 km) |
| Leiria to Dison | 1,032.07 mi (1,660.95 km) |
| Leiria to Dour | 955.48 mi (1,537.70 km) |
| Leiria to Drongen | 984.78 mi (1,584.85 km) |
| Leiria to Duffel | 1,012.64 mi (1,629.69 km) |
| Leiria to Durbuy | 1,007.01 mi (1,620.63 km) |
| Leiria to Ecaussinnes-Lalaing | 976.23 mi (1,571.08 km) |
