| Ardahan to Dendermonde | 1,946.67 mi (3,132.87 km) |
| Ardahan to Dessel | 1,904.29 mi (3,064.66 km) |
| Ardahan to Destelbergen | 1,959.76 mi (3,153.93 km) |
| Ardahan to Deurne | 1,932.35 mi (3,109.82 km) |
| Ardahan to Diepenbeek | 1,888.76 mi (3,039.67 km) |
| Ardahan to Diest | 1,905.19 mi (3,066.10 km) |
| Ardahan to Diksmuide | 2,000.07 mi (3,218.80 km) |
| Ardahan to Dilbeek | 1,938.90 mi (3,120.36 km) |
| Ardahan to Dinant | 1,906.39 mi (3,068.04 km) |
| Ardahan to Dison | 1,867.79 mi (3,005.91 km) |
| Ardahan to Dour | 1,957.03 mi (3,149.54 km) |
| Ardahan to Drongen | 1,965.53 mi (3,163.21 km) |
| Ardahan to Duffel | 1,929.12 mi (3,104.62 km) |
| Ardahan to Durbuy | 1,883.19 mi (3,030.69 km) |
| Ardahan to Ecaussinnes-Lalaing | 1,940.25 mi (3,122.53 km) |
