| Karnobat to Cologno al Serio | 879.44 mi (1,415.32 km) |
| Karnobat to Cologno Monzese | 899.24 mi (1,447.19 km) |
| Karnobat to Colorno | 841.59 mi (1,354.41 km) |
| Karnobat to Comacchio | 752.25 mi (1,210.63 km) |
| Karnobat to Comiso | 764.61 mi (1,230.51 km) |
| Karnobat to Como | 910.84 mi (1,465.85 km) |
| Karnobat to Concordia Sagittaria | 731.64 mi (1,177.46 km) |
| Karnobat to Concorezzo | 896.97 mi (1,443.53 km) |
| Karnobat to Conegliano | 759.39 mi (1,222.12 km) |
| Karnobat to Conselice | 768.27 mi (1,236.42 km) |
| Karnobat to Conselve | 772.06 mi (1,242.50 km) |
| Karnobat to Conversano | 520.75 mi (838.07 km) |
| Karnobat to Copertino | 490.38 mi (789.20 km) |
| Karnobat to Copparo | 770.77 mi (1,240.44 km) |
| Karnobat to Corato | 553.51 mi (890.79 km) |
