| Shasta Lake to Cortona | 5,977.76 mi (9,620.27 km) |
| Shasta Lake to Cosenza | 6,327.46 mi (10,183.06 km) |
| Shasta Lake to Cossato | 5,740.90 mi (9,239.08 km) |
| Shasta Lake to Costa Volpino | 5,779.25 mi (9,300.81 km) |
| Shasta Lake to Creazzo | 5,833.48 mi (9,388.08 km) |
| Shasta Lake to Crema | 5,794.36 mi (9,325.12 km) |
| Shasta Lake to Cremona | 5,817.28 mi (9,362.01 km) |
| Shasta Lake to Crevalcore | 5,871.63 mi (9,449.48 km) |
| Shasta Lake to Crispiano | 6,275.34 mi (10,099.19 km) |
| Shasta Lake to Crosia | 6,325.24 mi (10,179.49 km) |
| Shasta Lake to Crotone | 6,363.52 mi (10,241.10 km) |
| Shasta Lake to Cuneo | 5,789.78 mi (9,317.75 km) |
| Shasta Lake to Cuorgne | 5,736.24 mi (9,231.59 km) |
| Shasta Lake to Cusano Milanino | 5,770.16 mi (9,286.18 km) |
| Shasta Lake to Cutro | 6,363.00 mi (10,240.26 km) |
