| Herndon to Dendermonde | 3,858.83 mi (6,210.19 km) |
| Herndon to Dessel | 3,894.55 mi (6,267.67 km) |
| Herndon to Destelbergen | 3,846.29 mi (6,190.01 km) |
| Herndon to Deurne | 3,868.53 mi (6,225.80 km) |
| Herndon to Diepenbeek | 3,915.21 mi (6,300.92 km) |
| Herndon to Diest | 3,898.44 mi (6,273.93 km) |
| Herndon to Diksmuide | 3,808.91 mi (6,129.85 km) |
| Herndon to Dilbeek | 3,870.03 mi (6,228.21 km) |
| Herndon to Dinant | 3,911.97 mi (6,295.70 km) |
| Herndon to Dison | 3,940.42 mi (6,341.49 km) |
| Herndon to Dour | 3,862.17 mi (6,215.56 km) |
| Herndon to Drongen | 3,840.90 mi (6,181.34 km) |
| Herndon to Duffel | 3,873.92 mi (6,234.47 km) |
| Herndon to Durbuy | 3,931.62 mi (6,327.34 km) |
| Herndon to Ecaussinnes-Lalaing | 3,874.22 mi (6,234.95 km) |
