| Llantrisant to Cortona | 914.62 mi (1,471.93 km) |
| Llantrisant to Cosenza | 1,265.94 mi (2,037.34 km) |
| Llantrisant to Cossato | 668.81 mi (1,076.35 km) |
| Llantrisant to Costa Volpino | 728.67 mi (1,172.69 km) |
| Llantrisant to Creazzo | 794.30 mi (1,278.30 km) |
| Llantrisant to Crema | 733.19 mi (1,179.96 km) |
| Llantrisant to Cremona | 756.61 mi (1,217.64 km) |
| Llantrisant to Crevalcore | 816.84 mi (1,314.58 km) |
| Llantrisant to Crispiano | 1,236.68 mi (1,990.24 km) |
| Llantrisant to Crosia | 1,270.81 mi (2,045.18 km) |
| Llantrisant to Crotone | 1,308.08 mi (2,105.16 km) |
| Llantrisant to Cuneo | 705.79 mi (1,135.87 km) |
| Llantrisant to Cuorgne | 658.92 mi (1,060.44 km) |
| Llantrisant to Cusano Milanino | 706.52 mi (1,137.04 km) |
| Llantrisant to Cutro | 1,305.86 mi (2,101.57 km) |
