| Merthyr Tudful to Delitzsch | 673.02 mi (1,083.13 km) |
| Merthyr Tudful to Delmenhorst | 513.69 mi (826.70 km) |
| Merthyr Tudful to Demmin | 700.00 mi (1,126.55 km) |
| Merthyr Tudful to Denkendorf | 598.48 mi (963.17 km) |
| Merthyr Tudful to Denzlingen | 560.92 mi (902.71 km) |
| Merthyr Tudful to Dessau-Rosslau | 665.96 mi (1,071.77 km) |
| Merthyr Tudful to Detmold | 522.98 mi (841.66 km) |
| Merthyr Tudful to Dettingen an der Erms | 604.70 mi (973.17 km) |
| Merthyr Tudful to Dieburg | 548.00 mi (881.92 km) |
| Merthyr Tudful to Diedorf | 668.62 mi (1,076.03 km) |
| Merthyr Tudful to Dielheim | 557.91 mi (897.88 km) |
| Merthyr Tudful to Diepholz | 500.83 mi (806.00 km) |
| Merthyr Tudful to Diessen am Ammersee | 694.76 mi (1,118.10 km) |
| Merthyr Tudful to Dietzenbach | 542.72 mi (873.43 km) |
| Merthyr Tudful to Diez | 503.27 mi (809.93 km) |
