| San Clemente to Cividale del Friuli | 6,150.00 mi (9,897.46 km) |
| San Clemente to Civita Castellana | 6,321.06 mi (10,172.76 km) |
| San Clemente to Civitanova Marche | 6,309.82 mi (10,154.67 km) |
| San Clemente to Civitavecchia | 6,311.40 mi (10,157.22 km) |
| San Clemente to Civitella in Val di Chiana | 6,239.16 mi (10,040.96 km) |
| San Clemente to Clusone | 6,053.43 mi (9,742.06 km) |
| San Clemente to Coccaglio | 6,070.91 mi (9,770.19 km) |
| San Clemente to Codigoro | 6,177.01 mi (9,940.94 km) |
| San Clemente to Codogno | 6,082.98 mi (9,789.61 km) |
| San Clemente to Codroipo | 6,143.61 mi (9,887.18 km) |
| San Clemente to Cogoleto | 6,087.85 mi (9,797.45 km) |
| San Clemente to Colle di Val d'Elsa | 6,221.06 mi (10,011.83 km) |
| San Clemente to Colle Salvetti | 6,189.31 mi (9,960.73 km) |
| San Clemente to Collecchio | 6,120.78 mi (9,850.44 km) |
| San Clemente to Colleferro | 6,370.87 mi (10,252.93 km) |
