| Santurce-Antiguo to Cortona | 754.20 mi (1,213.76 km) |
| Santurce-Antiguo to Cosenza | 1,035.98 mi (1,667.25 km) |
| Santurce-Antiguo to Cossato | 573.00 mi (922.15 km) |
| Santurce-Antiguo to Costa Volpino | 668.02 mi (1,075.07 km) |
| Santurce-Antiguo to Creazzo | 731.04 mi (1,176.50 km) |
| Santurce-Antiguo to Crema | 643.04 mi (1,034.87 km) |
| Santurce-Antiguo to Cremona | 657.91 mi (1,058.80 km) |
| Santurce-Antiguo to Crevalcore | 710.11 mi (1,142.82 km) |
| Santurce-Antiguo to Crispiano | 1,055.31 mi (1,698.35 km) |
| Santurce-Antiguo to Crosia | 1,055.01 mi (1,697.87 km) |
| Santurce-Antiguo to Crotone | 1,084.63 mi (1,745.54 km) |
| Santurce-Antiguo to Cuneo | 531.79 mi (855.84 km) |
| Santurce-Antiguo to Cuorgne | 546.02 mi (878.74 km) |
| Santurce-Antiguo to Cusano Milanino | 621.09 mi (999.55 km) |
| Santurce-Antiguo to Cutro | 1,079.29 mi (1,736.94 km) |
