| State College to Cortona | 4,373.53 mi (7,038.52 km) |
| State College to Cosenza | 4,710.19 mi (7,580.31 km) |
| State College to Cossato | 4,130.70 mi (6,647.71 km) |
| State College to Costa Volpino | 4,202.88 mi (6,763.88 km) |
| State College to Creazzo | 4,270.90 mi (6,873.36 km) |
| State College to Crema | 4,201.46 mi (6,761.59 km) |
| State College to Cremona | 4,224.27 mi (6,798.31 km) |
| State College to Crevalcore | 4,285.95 mi (6,897.56 km) |
| State College to Crispiano | 4,700.29 mi (7,564.39 km) |
| State College to Crosia | 4,721.86 mi (7,599.10 km) |
| State College to Crotone | 4,756.59 mi (7,654.99 km) |
| State College to Cuneo | 4,144.29 mi (6,669.60 km) |
| State College to Cuorgne | 4,114.72 mi (6,621.99 km) |
| State College to Cusano Milanino | 4,174.13 mi (6,717.62 km) |
| State College to Cutro | 4,752.82 mi (7,648.92 km) |
