| Llantrisant to Cognac | 427.12 mi (687.38 km) |
| Llantrisant to Cogolin | 735.29 mi (1,183.34 km) |
| Llantrisant to Colmar | 534.14 mi (859.62 km) |
| Llantrisant to Colombes | 307.40 mi (494.72 km) |
| Llantrisant to Colomiers | 589.85 mi (949.27 km) |
| Llantrisant to Combs-la-Ville | 329.30 mi (529.95 km) |
| Llantrisant to Comines | 281.74 mi (453.42 km) |
| Llantrisant to Compiegne | 309.48 mi (498.06 km) |
| Llantrisant to Concarneau | 254.51 mi (409.59 km) |
| Llantrisant to Conde-sur-l'Escaut | 312.04 mi (502.18 km) |
| Llantrisant to Conflans-Sainte-Honorine | 298.69 mi (480.69 km) |
| Llantrisant to Corbas | 554.04 mi (891.64 km) |
| Llantrisant to Corbeil-Essonnes | 329.03 mi (529.53 km) |
| Llantrisant to Cormeilles-en-Parisis | 303.45 mi (488.35 km) |
| Llantrisant to Cosne sur Loire | 401.58 mi (646.28 km) |
