| Karnobat to Civita Castellana | 742.24 mi (1,194.52 km) |
| Karnobat to Civitanova Marche | 670.78 mi (1,079.52 km) |
| Karnobat to Civitavecchia | 774.93 mi (1,247.13 km) |
| Karnobat to Civitella in Val di Chiana | 771.95 mi (1,242.33 km) |
| Karnobat to Clusone | 870.40 mi (1,400.77 km) |
| Karnobat to Coccaglio | 865.91 mi (1,393.55 km) |
| Karnobat to Codigoro | 756.47 mi (1,217.42 km) |
| Karnobat to Codogno | 875.99 mi (1,409.77 km) |
| Karnobat to Codroipo | 728.57 mi (1,172.52 km) |
| Karnobat to Cogoleto | 924.85 mi (1,488.41 km) |
| Karnobat to Colle di Val d'Elsa | 801.25 mi (1,289.48 km) |
| Karnobat to Colle Salvetti | 833.48 mi (1,341.36 km) |
| Karnobat to Collecchio | 848.73 mi (1,365.90 km) |
| Karnobat to Colleferro | 716.94 mi (1,153.80 km) |
| Karnobat to Collegno | 979.26 mi (1,575.97 km) |
