| Hwlffordd to Cortona | 982.25 mi (1,580.78 km) |
| Hwlffordd to Cosenza | 1,332.92 mi (2,145.13 km) |
| Hwlffordd to Cossato | 736.19 mi (1,184.78 km) |
| Hwlffordd to Costa Volpino | 797.83 mi (1,283.99 km) |
| Hwlffordd to Creazzo | 863.85 mi (1,390.24 km) |
| Hwlffordd to Crema | 801.56 mi (1,289.98 km) |
| Hwlffordd to Cremona | 824.94 mi (1,327.61 km) |
| Hwlffordd to Crevalcore | 885.45 mi (1,424.99 km) |
| Hwlffordd to Crispiano | 1,305.22 mi (2,100.54 km) |
| Hwlffordd to Crosia | 1,338.34 mi (2,153.86 km) |
| Hwlffordd to Crotone | 1,375.47 mi (2,213.60 km) |
| Hwlffordd to Cuneo | 770.40 mi (1,239.84 km) |
| Hwlffordd to Cuorgne | 725.46 mi (1,167.51 km) |
| Hwlffordd to Cusano Milanino | 774.75 mi (1,246.84 km) |
| Hwlffordd to Cutro | 1,373.12 mi (2,209.82 km) |
