| State College to Collegno | 4,121.86 mi (6,633.50 km) |
| State College to Cologno al Serio | 4,194.70 mi (6,750.71 km) |
| State College to Cologno Monzese | 4,178.86 mi (6,725.23 km) |
| State College to Colorno | 4,246.00 mi (6,833.28 km) |
| State College to Comacchio | 4,329.91 mi (6,968.32 km) |
| State College to Comiso | 4,731.72 mi (7,614.97 km) |
| State College to Como | 4,161.19 mi (6,696.79 km) |
| State College to Concordia Sagittaria | 4,319.09 mi (6,950.90 km) |
| State College to Concorezzo | 4,179.19 mi (6,725.76 km) |
| State College to Conegliano | 4,292.04 mi (6,907.37 km) |
| State College to Conselice | 4,321.85 mi (6,955.34 km) |
| State College to Conselve | 4,297.52 mi (6,916.20 km) |
| State College to Conversano | 4,680.61 mi (7,532.71 km) |
| State College to Copertino | 4,748.59 mi (7,642.12 km) |
| State College to Copparo | 4,308.06 mi (6,933.16 km) |
