| Kardzhali to Civita Castellana | 666.41 mi (1,072.48 km) |
| Kardzhali to Civitanova Marche | 603.19 mi (970.74 km) |
| Kardzhali to Civitavecchia | 697.93 mi (1,123.20 km) |
| Kardzhali to Civitella in Val di Chiana | 704.77 mi (1,134.22 km) |
| Kardzhali to Clusone | 821.32 mi (1,321.78 km) |
| Kardzhali to Coccaglio | 814.41 mi (1,310.67 km) |
| Kardzhali to Codigoro | 701.28 mi (1,128.59 km) |
| Kardzhali to Codogno | 821.19 mi (1,321.58 km) |
| Kardzhali to Codroipo | 684.78 mi (1,102.05 km) |
| Kardzhali to Cogoleto | 863.94 mi (1,390.38 km) |
| Kardzhali to Colle di Val d'Elsa | 733.85 mi (1,181.02 km) |
| Kardzhali to Colle Salvetti | 767.47 mi (1,235.12 km) |
| Kardzhali to Collecchio | 791.22 mi (1,273.34 km) |
| Kardzhali to Colleferro | 636.67 mi (1,024.62 km) |
| Kardzhali to Collegno | 922.55 mi (1,484.71 km) |
