| Carbondale to Cividale del Friuli | 4,926.08 mi (7,927.76 km) |
| Carbondale to Civita Castellana | 5,038.07 mi (8,108.00 km) |
| Carbondale to Civitanova Marche | 5,051.43 mi (8,129.49 km) |
| Carbondale to Civitavecchia | 5,020.63 mi (8,079.93 km) |
| Carbondale to Civitella in Val di Chiana | 4,964.51 mi (7,989.60 km) |
| Carbondale to Clusone | 4,796.67 mi (7,719.50 km) |
| Carbondale to Coccaglio | 4,810.03 mi (7,740.99 km) |
| Carbondale to Codigoro | 4,924.45 mi (7,925.13 km) |
| Carbondale to Codogno | 4,814.39 mi (7,748.00 km) |
| Carbondale to Codroipo | 4,913.80 mi (7,907.99 km) |
| Carbondale to Cogoleto | 4,800.32 mi (7,725.37 km) |
| Carbondale to Colle di Val d'Elsa | 4,941.19 mi (7,952.08 km) |
| Carbondale to Colle Salvetti | 4,906.54 mi (7,896.31 km) |
| Carbondale to Collecchio | 4,850.93 mi (7,806.82 km) |
| Carbondale to Colleferro | 5,086.15 mi (8,185.36 km) |
