| Bad Mergentheim to Dillingen | 71.86 mi (115.65 km) |
| Bad Mergentheim to Dillingen | 136.71 mi (220.01 km) |
| Bad Mergentheim to Dingolfing | 137.45 mi (221.21 km) |
| Bad Mergentheim to Dinkelsbuhl | 38.73 mi (62.33 km) |
| Bad Mergentheim to Dinklage | 229.98 mi (370.12 km) |
| Bad Mergentheim to Dinslaken | 195.26 mi (314.23 km) |
| Bad Mergentheim to Dippoldiswalde | 197.51 mi (317.86 km) |
| Bad Mergentheim to Ditzingen | 56.27 mi (90.56 km) |
| Bad Mergentheim to Dobeln | 185.22 mi (298.09 km) |
| Bad Mergentheim to Doberlug-Kirchhain | 221.78 mi (356.92 km) |
| Bad Mergentheim to Donaueschingen | 121.40 mi (195.38 km) |
| Bad Mergentheim to Donauworth | 72.39 mi (116.50 km) |
| Bad Mergentheim to Donzdorf | 56.47 mi (90.89 km) |
| Bad Mergentheim to Dorfen | 137.78 mi (221.74 km) |
| Bad Mergentheim to Dormagen | 170.78 mi (274.84 km) |
