| Sozopol to Cologno al Serio | 918.84 mi (1,478.73 km) |
| Sozopol to Cologno Monzese | 938.63 mi (1,510.58 km) |
| Sozopol to Colorno | 880.86 mi (1,417.61 km) |
| Sozopol to Comacchio | 791.48 mi (1,273.77 km) |
| Sozopol to Comiso | 791.13 mi (1,273.20 km) |
| Sozopol to Como | 950.26 mi (1,529.29 km) |
| Sozopol to Concordia Sagittaria | 771.08 mi (1,240.94 km) |
| Sozopol to Concorezzo | 936.36 mi (1,506.93 km) |
| Sozopol to Conegliano | 798.84 mi (1,285.60 km) |
| Sozopol to Conselice | 807.43 mi (1,299.43 km) |
| Sozopol to Conselve | 811.43 mi (1,305.87 km) |
| Sozopol to Conversano | 554.77 mi (892.81 km) |
| Sozopol to Copertino | 521.82 mi (839.79 km) |
| Sozopol to Copparo | 810.06 mi (1,303.67 km) |
| Sozopol to Corato | 588.27 mi (946.73 km) |
