| Karlovo to Civita Castellana | 631.72 mi (1,016.65 km) |
| Karlovo to Civitanova Marche | 561.26 mi (903.26 km) |
| Karlovo to Civitavecchia | 664.36 mi (1,069.18 km) |
| Karlovo to Civitella in Val di Chiana | 662.63 mi (1,066.39 km) |
| Karlovo to Clusone | 767.14 mi (1,234.59 km) |
| Karlovo to Coccaglio | 761.63 mi (1,225.73 km) |
| Karlovo to Codigoro | 650.58 mi (1,047.01 km) |
| Karlovo to Codogno | 770.44 mi (1,239.90 km) |
| Karlovo to Codroipo | 627.44 mi (1,009.77 km) |
| Karlovo to Cogoleto | 817.31 mi (1,315.33 km) |
| Karlovo to Colle di Val d'Elsa | 691.91 mi (1,113.53 km) |
| Karlovo to Colle Salvetti | 724.48 mi (1,165.94 km) |
| Karlovo to Collecchio | 742.18 mi (1,194.42 km) |
| Karlovo to Colleferro | 606.37 mi (975.86 km) |
| Karlovo to Collegno | 873.15 mi (1,405.20 km) |
