| Sozopol to Cassino | 714.48 mi (1,149.84 km) |
| Sozopol to Castagneto Carducci | 867.05 mi (1,395.38 km) |
| Sozopol to Castano Primo | 963.40 mi (1,550.44 km) |
| Sozopol to Castel Bolognese | 808.03 mi (1,300.40 km) |
| Sozopol to Castel Gandolfo | 772.04 mi (1,242.49 km) |
| Sozopol to Castel Goffredo | 879.10 mi (1,414.78 km) |
| Sozopol to Castel Maggiore | 830.61 mi (1,336.74 km) |
| Sozopol to Castel Mella | 896.50 mi (1,442.78 km) |
| Sozopol to Castel San Giorgio | 680.39 mi (1,094.99 km) |
| Sozopol to Castel San Giovanni | 927.81 mi (1,493.17 km) |
| Sozopol to Castel San Pietro Terme | 819.10 mi (1,318.22 km) |
| Sozopol to Castel Volturno | 716.11 mi (1,152.47 km) |
| Sozopol to Castelbuono | 780.78 mi (1,256.55 km) |
| Sozopol to Casteldaccia | 804.60 mi (1,294.87 km) |
| Sozopol to Castelfidardo | 718.68 mi (1,156.61 km) |
