| Healdsburg to Dendermonde | 5,462.17 mi (8,790.52 km) |
| Healdsburg to Dessel | 5,479.28 mi (8,818.05 km) |
| Healdsburg to Destelbergen | 5,452.98 mi (8,775.72 km) |
| Healdsburg to Deurne | 5,461.92 mi (8,790.11 km) |
| Healdsburg to Diepenbeek | 5,505.03 mi (8,859.49 km) |
| Healdsburg to Diest | 5,490.89 mi (8,836.73 km) |
| Healdsburg to Diksmuide | 5,427.80 mi (8,735.20 km) |
| Healdsburg to Dilbeek | 5,477.00 mi (8,814.37 km) |
| Healdsburg to Dinant | 5,525.84 mi (8,892.97 km) |
| Healdsburg to Dison | 5,532.50 mi (8,903.70 km) |
| Healdsburg to Dour | 5,487.13 mi (8,830.68 km) |
| Healdsburg to Drongen | 5,449.28 mi (8,769.77 km) |
| Healdsburg to Duffel | 5,470.08 mi (8,803.24 km) |
| Healdsburg to Durbuy | 5,536.09 mi (8,909.48 km) |
| Healdsburg to Ecaussinnes-Lalaing | 5,489.39 mi (8,834.31 km) |
