| State College to Cividale del Friuli | 4,330.96 mi (6,970.00 km) |
| State College to Civita Castellana | 4,427.83 mi (7,125.91 km) |
| State College to Civitanova Marche | 4,446.66 mi (7,156.21 km) |
| State College to Civitavecchia | 4,408.81 mi (7,095.30 km) |
| State College to Civitella in Val di Chiana | 4,356.80 mi (7,011.59 km) |
| State College to Clusone | 4,194.84 mi (6,750.94 km) |
| State College to Coccaglio | 4,207.05 mi (6,770.59 km) |
| State College to Codigoro | 4,322.31 mi (6,956.09 km) |
| State College to Codogno | 4,209.51 mi (6,774.56 km) |
| State College to Codroipo | 4,317.34 mi (6,948.09 km) |
| State College to Cogoleto | 4,191.13 mi (6,744.97 km) |
| State College to Colle di Val d'Elsa | 4,332.50 mi (6,972.49 km) |
| State College to Colle Salvetti | 4,297.49 mi (6,916.15 km) |
| State College to Collecchio | 4,245.41 mi (6,832.32 km) |
| State College to Colleferro | 4,475.11 mi (7,202.00 km) |
