| Penarth to Cabestany | 668.94 mi (1,076.56 km) |
| Penarth to Cabries | 680.44 mi (1,095.07 km) |
| Penarth to Cachan | 304.26 mi (489.66 km) |
| Penarth to Caen | 198.55 mi (319.54 km) |
| Penarth to Cagnes-sur-Mer | 719.38 mi (1,157.73 km) |
| Penarth to Cahors | 527.28 mi (848.57 km) |
| Penarth to Calais | 220.15 mi (354.30 km) |
| Penarth to Caluire-et-Cuire | 533.90 mi (859.23 km) |
| Penarth to Cambrai | 292.69 mi (471.04 km) |
| Penarth to Canet-en-Roussillon | 668.66 mi (1,076.10 km) |
| Penarth to Cannes | 721.38 mi (1,160.95 km) |
| Penarth to Canteleu | 230.05 mi (370.23 km) |
| Penarth to Capbreton | 544.13 mi (875.70 km) |
| Penarth to Carcassonne | 623.59 mi (1,003.57 km) |
| Penarth to Carmaux | 566.51 mi (911.72 km) |
