| Mountain Ash to Chenove | 482.92 mi (777.18 km) |
| Mountain Ash to Cherbourg | 161.54 mi (259.97 km) |
| Mountain Ash to Chevigny-Saint-Sauveur | 486.92 mi (783.62 km) |
| Mountain Ash to Chevilly-Larue | 323.53 mi (520.68 km) |
| Mountain Ash to Chilly-Mazarin | 325.03 mi (523.09 km) |
| Mountain Ash to Choisy-le-Roi | 325.61 mi (524.02 km) |
| Mountain Ash to Cholet | 338.50 mi (544.76 km) |
| Mountain Ash to Clamart | 318.83 mi (513.11 km) |
| Mountain Ash to Claye-Souilly | 327.51 mi (527.08 km) |
| Mountain Ash to Clermont | 299.89 mi (482.63 km) |
| Mountain Ash to Clermont-Ferrand | 502.36 mi (808.48 km) |
| Mountain Ash to Clermont-l'Herault | 639.81 mi (1,029.67 km) |
| Mountain Ash to Clichy | 315.76 mi (508.17 km) |
| Mountain Ash to Clichy-sous-Bois | 324.22 mi (521.78 km) |
| Mountain Ash to Cluses | 595.43 mi (958.25 km) |
