| Sofia to Cassino | 493.59 mi (794.35 km) |
| Sofia to Castagneto Carducci | 644.15 mi (1,036.66 km) |
| Sofia to Castano Primo | 747.47 mi (1,202.93 km) |
| Sofia to Castel Bolognese | 587.96 mi (946.23 km) |
| Sofia to Castel Gandolfo | 549.93 mi (885.03 km) |
| Sofia to Castel Goffredo | 662.84 mi (1,066.74 km) |
| Sofia to Castel Maggiore | 611.40 mi (983.95 km) |
| Sofia to Castel Mella | 681.07 mi (1,096.07 km) |
| Sofia to Castel San Giorgio | 463.96 mi (746.67 km) |
| Sofia to Castel San Giovanni | 709.96 mi (1,142.57 km) |
| Sofia to Castel San Pietro Terme | 599.29 mi (964.47 km) |
| Sofia to Castel Volturno | 497.23 mi (800.22 km) |
| Sofia to Castelbuono | 586.75 mi (944.28 km) |
| Sofia to Casteldaccia | 606.96 mi (976.81 km) |
| Sofia to Castelfidardo | 496.26 mi (798.65 km) |
