| Kazanlak to Cologno al Serio | 804.05 mi (1,293.99 km) |
| Kazanlak to Cologno Monzese | 823.63 mi (1,325.51 km) |
| Kazanlak to Colorno | 764.89 mi (1,230.97 km) |
| Kazanlak to Comacchio | 675.34 mi (1,086.86 km) |
| Kazanlak to Comiso | 693.47 mi (1,116.03 km) |
| Kazanlak to Como | 835.82 mi (1,345.12 km) |
| Kazanlak to Concordia Sagittaria | 657.87 mi (1,058.75 km) |
| Kazanlak to Concorezzo | 821.51 mi (1,322.09 km) |
| Kazanlak to Conegliano | 685.71 mi (1,103.55 km) |
| Kazanlak to Conselice | 690.91 mi (1,111.91 km) |
| Kazanlak to Conselve | 696.38 mi (1,120.71 km) |
| Kazanlak to Conversano | 441.47 mi (710.47 km) |
| Kazanlak to Copertino | 413.68 mi (665.76 km) |
| Kazanlak to Copparo | 694.26 mi (1,117.31 km) |
| Kazanlak to Corato | 473.67 mi (762.31 km) |
