| Merthyr Tudful to Chaudfontaine | 398.31 mi (641.02 km) |
| Merthyr Tudful to Chaumont-Gistoux | 356.78 mi (574.18 km) |
| Merthyr Tudful to Chimay | 354.94 mi (571.21 km) |
| Merthyr Tudful to Ciney | 381.47 mi (613.92 km) |
| Merthyr Tudful to Colfontaine | 327.00 mi (526.26 km) |
| Merthyr Tudful to Courcelles | 347.74 mi (559.64 km) |
| Merthyr Tudful to Court-Saint-Etienne | 352.29 mi (566.96 km) |
| Merthyr Tudful to Couvin | 361.79 mi (582.24 km) |
| Merthyr Tudful to Damme | 288.45 mi (464.21 km) |
| Merthyr Tudful to De Haan | 277.54 mi (446.65 km) |
| Merthyr Tudful to De Panne | 260.91 mi (419.90 km) |
| Merthyr Tudful to De Pinte | 307.33 mi (494.59 km) |
| Merthyr Tudful to Deerlijk | 297.11 mi (478.16 km) |
| Merthyr Tudful to Deinze | 302.62 mi (487.02 km) |
| Merthyr Tudful to Denderleeuw | 327.51 mi (527.08 km) |
