| San Carlos to Cividale del Friuli | 6,040.60 mi (9,721.40 km) |
| San Carlos to Civita Castellana | 6,230.12 mi (10,026.41 km) |
| San Carlos to Civitanova Marche | 6,209.95 mi (9,993.96 km) |
| San Carlos to Civitavecchia | 6,223.57 mi (10,015.87 km) |
| San Carlos to Civitella in Val di Chiana | 6,146.44 mi (9,891.74 km) |
| San Carlos to Clusone | 5,957.25 mi (9,587.27 km) |
| San Carlos to Coccaglio | 5,975.93 mi (9,617.33 km) |
| San Carlos to Codigoro | 6,077.25 mi (9,780.39 km) |
| San Carlos to Codogno | 5,990.61 mi (9,640.96 km) |
| San Carlos to Codroipo | 6,036.36 mi (9,714.58 km) |
| San Carlos to Cogoleto | 6,002.44 mi (9,660.00 km) |
| San Carlos to Colle di Val d'Elsa | 6,130.58 mi (9,866.22 km) |
| San Carlos to Colle Salvetti | 6,100.44 mi (9,817.71 km) |
| San Carlos to Collecchio | 6,028.24 mi (9,701.51 km) |
| San Carlos to Colleferro | 6,279.78 mi (10,106.33 km) |
