| Shasta Lake to Cividale del Friuli | 5,851.26 mi (9,416.69 km) |
| Shasta Lake to Civita Castellana | 6,046.25 mi (9,730.50 km) |
| Shasta Lake to Civitanova Marche | 6,023.27 mi (9,693.52 km) |
| Shasta Lake to Civitavecchia | 6,040.73 mi (9,721.61 km) |
| Shasta Lake to Civitella in Val di Chiana | 5,962.15 mi (9,595.16 km) |
| Shasta Lake to Clusone | 5,772.20 mi (9,289.46 km) |
| Shasta Lake to Coccaglio | 5,791.23 mi (9,320.08 km) |
| Shasta Lake to Codigoro | 5,890.84 mi (9,480.40 km) |
| Shasta Lake to Codogno | 5,806.73 mi (9,345.03 km) |
| Shasta Lake to Codroipo | 5,847.68 mi (9,410.94 km) |
| Shasta Lake to Cogoleto | 5,820.83 mi (9,367.72 km) |
| Shasta Lake to Colle di Val d'Elsa | 5,947.05 mi (9,570.86 km) |
| Shasta Lake to Colle Salvetti | 5,917.49 mi (9,523.29 km) |
| Shasta Lake to Collecchio | 5,844.23 mi (9,405.38 km) |
| Shasta Lake to Colleferro | 6,095.77 mi (9,810.19 km) |
