| Jefferson Hills to Cividale del Friuli | 4,437.16 mi (7,140.92 km) |
| Jefferson Hills to Civita Castellana | 4,536.73 mi (7,301.17 km) |
| Jefferson Hills to Civitanova Marche | 4,554.61 mi (7,329.93 km) |
| Jefferson Hills to Civitavecchia | 4,517.99 mi (7,271.00 km) |
| Jefferson Hills to Civitella in Val di Chiana | 4,465.24 mi (7,186.11 km) |
| Jefferson Hills to Clusone | 4,302.20 mi (6,923.72 km) |
| Jefferson Hills to Coccaglio | 4,314.62 mi (6,943.70 km) |
| Jefferson Hills to Codigoro | 4,429.76 mi (7,129.01 km) |
| Jefferson Hills to Codogno | 4,317.41 mi (6,948.21 km) |
| Jefferson Hills to Codroipo | 4,423.78 mi (7,119.39 km) |
| Jefferson Hills to Cogoleto | 4,299.79 mi (6,919.85 km) |
| Jefferson Hills to Colle di Val d'Elsa | 4,441.11 mi (7,147.27 km) |
| Jefferson Hills to Colle Salvetti | 4,406.16 mi (7,091.02 km) |
| Jefferson Hills to Collecchio | 4,353.43 mi (7,006.17 km) |
| Jefferson Hills to Colleferro | 4,584.16 mi (7,377.50 km) |
