| San Martin de Valdeiglesias to Cortona | 866.00 mi (1,393.69 km) |
| San Martin de Valdeiglesias to Cosenza | 1,095.68 mi (1,763.33 km) |
| San Martin de Valdeiglesias to Cossato | 728.86 mi (1,172.98 km) |
| San Martin de Valdeiglesias to Costa Volpino | 821.60 mi (1,322.24 km) |
| San Martin de Valdeiglesias to Creazzo | 877.16 mi (1,411.65 km) |
| San Martin de Valdeiglesias to Crema | 791.12 mi (1,273.18 km) |
| San Martin de Valdeiglesias to Cremona | 801.58 mi (1,290.02 km) |
| San Martin de Valdeiglesias to Crevalcore | 845.20 mi (1,360.22 km) |
| San Martin de Valdeiglesias to Crispiano | 1,134.20 mi (1,825.31 km) |
| San Martin de Valdeiglesias to Crosia | 1,119.62 mi (1,801.86 km) |
| San Martin de Valdeiglesias to Crotone | 1,144.08 mi (1,841.23 km) |
| San Martin de Valdeiglesias to Cuneo | 669.40 mi (1,077.30 km) |
| San Martin de Valdeiglesias to Cuorgne | 700.99 mi (1,128.13 km) |
| San Martin de Valdeiglesias to Cusano Milanino | 773.34 mi (1,244.57 km) |
| San Martin de Valdeiglesias to Cutro | 1,137.71 mi (1,830.97 km) |
