| Penarth to Cognac | 416.86 mi (670.87 km) |
| Penarth to Cogolin | 723.63 mi (1,164.56 km) |
| Penarth to Colmar | 523.05 mi (841.76 km) |
| Penarth to Colombes | 295.77 mi (476.00 km) |
| Penarth to Colomiers | 579.25 mi (932.22 km) |
| Penarth to Combs-la-Ville | 317.64 mi (511.19 km) |
| Penarth to Comines | 271.94 mi (437.64 km) |
| Penarth to Compiegne | 298.18 mi (479.87 km) |
| Penarth to Concarneau | 247.88 mi (398.92 km) |
| Penarth to Conde-sur-l'Escaut | 301.93 mi (485.90 km) |
| Penarth to Conflans-Sainte-Honorine | 287.05 mi (461.97 km) |
| Penarth to Corbas | 542.32 mi (872.78 km) |
| Penarth to Corbeil-Essonnes | 317.36 mi (510.74 km) |
| Penarth to Cormeilles-en-Parisis | 291.82 mi (469.64 km) |
| Penarth to Cosne sur Loire | 389.85 mi (627.41 km) |
