| River Ridge to Cortona | 5,385.10 mi (8,666.48 km) |
| River Ridge to Cosenza | 5,717.39 mi (9,201.25 km) |
| River Ridge to Cossato | 5,143.80 mi (8,278.15 km) |
| River Ridge to Costa Volpino | 5,217.85 mi (8,397.32 km) |
| River Ridge to Creazzo | 5,286.30 mi (8,507.48 km) |
| River Ridge to Crema | 5,215.31 mi (8,393.22 km) |
| River Ridge to Cremona | 5,237.94 mi (8,429.65 km) |
| River Ridge to Crevalcore | 5,299.68 mi (8,529.01 km) |
| River Ridge to Crispiano | 5,711.53 mi (9,191.83 km) |
| River Ridge to Crosia | 5,730.34 mi (9,222.09 km) |
| River Ridge to Crotone | 5,764.38 mi (9,276.87 km) |
| River Ridge to Cuneo | 5,154.25 mi (8,294.96 km) |
| River Ridge to Cuorgne | 5,127.05 mi (8,251.19 km) |
| River Ridge to Cusano Milanino | 5,187.96 mi (8,349.22 km) |
| River Ridge to Cutro | 5,760.31 mi (9,270.33 km) |
