| Merthyr Tudful to Chenove | 485.37 mi (781.12 km) |
| Merthyr Tudful to Cherbourg | 165.23 mi (265.91 km) |
| Merthyr Tudful to Chevigny-Saint-Sauveur | 489.33 mi (787.51 km) |
| Merthyr Tudful to Chevilly-Larue | 326.03 mi (524.69 km) |
| Merthyr Tudful to Chilly-Mazarin | 327.57 mi (527.18 km) |
| Merthyr Tudful to Choisy-le-Roi | 328.09 mi (528.01 km) |
| Merthyr Tudful to Cholet | 342.47 mi (551.16 km) |
| Merthyr Tudful to Clamart | 321.34 mi (517.14 km) |
| Merthyr Tudful to Claye-Souilly | 329.80 mi (530.76 km) |
| Merthyr Tudful to Clermont | 301.98 mi (486.00 km) |
| Merthyr Tudful to Clermont-Ferrand | 505.68 mi (813.81 km) |
| Merthyr Tudful to Clermont-l'Herault | 643.38 mi (1,035.42 km) |
| Merthyr Tudful to Clichy | 318.19 mi (512.08 km) |
| Merthyr Tudful to Clichy-sous-Bois | 326.57 mi (525.56 km) |
| Merthyr Tudful to Cluses | 597.95 mi (962.30 km) |
