| Helena to Dendermonde | 4,698.18 mi (7,560.98 km) |
| Helena to Dessel | 4,716.99 mi (7,591.27 km) |
| Helena to Destelbergen | 4,688.63 mi (7,545.62 km) |
| Helena to Deurne | 4,698.73 mi (7,561.88 km) |
| Helena to Diepenbeek | 4,742.56 mi (7,632.41 km) |
| Helena to Diest | 4,728.06 mi (7,609.08 km) |
| Helena to Diksmuide | 4,662.27 mi (7,503.19 km) |
| Helena to Dilbeek | 4,712.84 mi (7,584.59 km) |
| Helena to Dinant | 4,761.57 mi (7,663.01 km) |
| Helena to Dison | 4,770.11 mi (7,676.74 km) |
| Helena to Dour | 4,721.65 mi (7,598.76 km) |
| Helena to Drongen | 4,684.76 mi (7,539.39 km) |
| Helena to Duffel | 4,706.74 mi (7,574.77 km) |
| Helena to Durbuy | 4,772.69 mi (7,680.90 km) |
| Helena to Ecaussinnes-Lalaing | 4,724.69 mi (7,603.65 km) |
