| Porthcawl to Coudekerque-Branche | 264.79 mi (426.14 km) |
| Porthcawl to Coueron | 307.63 mi (495.08 km) |
| Porthcawl to Coulommiers | 351.69 mi (565.99 km) |
| Porthcawl to Courbevoic | 317.57 mi (511.09 km) |
| Porthcawl to Courcouronnes | 335.44 mi (539.85 km) |
| Porthcawl to Cournon-d'Auvergne | 505.65 mi (813.77 km) |
| Porthcawl to Courrieres | 297.18 mi (478.27 km) |
| Porthcawl to Coutras | 473.96 mi (762.76 km) |
| Porthcawl to Couzeix | 447.51 mi (720.19 km) |
| Porthcawl to Cran-Gevrier | 589.02 mi (947.93 km) |
| Porthcawl to Craponne | 551.32 mi (887.27 km) |
| Porthcawl to Creil | 312.23 mi (502.49 km) |
| Porthcawl to Crepy-en-Valois | 328.68 mi (528.96 km) |
| Porthcawl to Crest | 614.93 mi (989.64 km) |
| Porthcawl to Creteil | 329.62 mi (530.48 km) |
