| Sofia to Cologno al Serio | 703.56 mi (1,132.27 km) |
| Sofia to Cologno Monzese | 722.85 mi (1,163.31 km) |
| Sofia to Colorno | 662.85 mi (1,066.76 km) |
| Sofia to Comacchio | 573.18 mi (922.45 km) |
| Sofia to Comiso | 609.68 mi (981.18 km) |
| Sofia to Como | 735.76 mi (1,184.09 km) |
| Sofia to Concordia Sagittaria | 559.87 mi (901.03 km) |
| Sofia to Concorezzo | 720.91 mi (1,160.19 km) |
| Sofia to Conegliano | 587.74 mi (945.87 km) |
| Sofia to Conselice | 588.16 mi (946.56 km) |
| Sofia to Conselve | 595.72 mi (958.72 km) |
| Sofia to Conversano | 341.44 mi (549.50 km) |
| Sofia to Copertino | 320.78 mi (516.24 km) |
| Sofia to Copparo | 592.56 mi (953.63 km) |
| Sofia to Corato | 371.87 mi (598.47 km) |
