| South Valley to Cortona | 5,793.26 mi (9,323.35 km) |
| South Valley to Cosenza | 6,143.95 mi (9,887.73 km) |
| South Valley to Cossato | 5,547.31 mi (8,927.53 km) |
| South Valley to Costa Volpino | 5,604.86 mi (9,020.16 km) |
| South Valley to Creazzo | 5,667.88 mi (9,121.57 km) |
| South Valley to Crema | 5,611.47 mi (9,030.79 km) |
| South Valley to Cremona | 5,634.92 mi (9,068.52 km) |
| South Valley to Crevalcore | 5,694.59 mi (9,164.56 km) |
| South Valley to Crispiano | 6,114.02 mi (9,839.56 km) |
| South Valley to Crosia | 6,149.44 mi (9,896.56 km) |
| South Valley to Crotone | 6,186.62 mi (9,956.40 km) |
| South Valley to Cuneo | 5,578.12 mi (8,977.11 km) |
| South Valley to Cuorgne | 5,536.39 mi (8,909.96 km) |
| South Valley to Cusano Milanino | 5,584.97 mi (8,988.15 km) |
| South Valley to Cutro | 6,184.27 mi (9,952.62 km) |
