| Port Huron to Dendermonde | 3,875.59 mi (6,237.16 km) |
| Port Huron to Dessel | 3,907.67 mi (6,288.79 km) |
| Port Huron to Destelbergen | 3,863.57 mi (6,217.81 km) |
| Port Huron to Deurne | 3,883.12 mi (6,249.28 km) |
| Port Huron to Diepenbeek | 3,930.03 mi (6,324.76 km) |
| Port Huron to Diest | 3,913.49 mi (6,298.16 km) |
| Port Huron to Diksmuide | 3,828.28 mi (6,161.03 km) |
| Port Huron to Dilbeek | 3,887.92 mi (6,257.00 km) |
| Port Huron to Dinant | 3,932.48 mi (6,328.71 km) |
| Port Huron to Dison | 3,956.35 mi (6,367.13 km) |
| Port Huron to Dour | 3,884.24 mi (6,251.08 km) |
| Port Huron to Drongen | 3,858.46 mi (6,209.60 km) |
| Port Huron to Duffel | 3,889.30 mi (6,259.22 km) |
| Port Huron to Durbuy | 3,950.32 mi (6,357.42 km) |
| Port Huron to Ecaussinnes-Lalaing | 3,894.19 mi (6,267.09 km) |
