| Bad Mergentheim to Dendermonde | 271.68 mi (437.23 km) |
| Bad Mergentheim to Dessel | 237.30 mi (381.90 km) |
| Bad Mergentheim to Destelbergen | 284.30 mi (457.54 km) |
| Bad Mergentheim to Deurne | 262.32 mi (422.17 km) |
| Bad Mergentheim to Diepenbeek | 215.47 mi (346.76 km) |
| Bad Mergentheim to Diest | 232.18 mi (373.66 km) |
| Bad Mergentheim to Diksmuide | 322.48 mi (518.99 km) |
| Bad Mergentheim to Dilbeek | 260.88 mi (419.85 km) |
| Bad Mergentheim to Dinant | 222.28 mi (357.73 km) |
| Bad Mergentheim to Dison | 190.07 mi (305.89 km) |
| Bad Mergentheim to Dour | 273.19 mi (439.65 km) |
| Bad Mergentheim to Drongen | 289.76 mi (466.32 km) |
| Bad Mergentheim to Duffel | 256.65 mi (413.03 km) |
| Bad Mergentheim to Durbuy | 200.53 mi (322.73 km) |
| Bad Mergentheim to Ecaussinnes-Lalaing | 258.45 mi (415.94 km) |
