| Merthyr Tudful to Coswig | 674.13 mi (1,084.90 km) |
| Merthyr Tudful to Cottbus | 755.75 mi (1,216.26 km) |
| Merthyr Tudful to Crailsheim | 617.61 mi (993.94 km) |
| Merthyr Tudful to Cremlingen | 597.04 mi (960.85 km) |
| Merthyr Tudful to Crimmitschau | 683.00 mi (1,099.19 km) |
| Merthyr Tudful to Cuxhaven | 524.35 mi (843.86 km) |
| Merthyr Tudful to Dachau | 698.94 mi (1,124.83 km) |
| Merthyr Tudful to Dallgow-Doberitz | 697.27 mi (1,122.16 km) |
| Merthyr Tudful to Damme | 493.39 mi (794.03 km) |
| Merthyr Tudful to Darmstadt | 540.27 mi (869.48 km) |
| Merthyr Tudful to Dassel | 557.98 mi (897.98 km) |
| Merthyr Tudful to Datteln | 458.69 mi (738.19 km) |
| Merthyr Tudful to Dautphe | 518.30 mi (834.13 km) |
| Merthyr Tudful to Deggendorf | 747.23 mi (1,202.55 km) |
| Merthyr Tudful to Delbruck | 510.31 mi (821.27 km) |
