| Sozopol to Castelli Calepio | 909.71 mi (1,464.04 km) |
| Sozopol to Castelnovo ne' Monti | 877.53 mi (1,412.25 km) |
| Sozopol to Castelnuovo Berardenga | 821.18 mi (1,321.56 km) |
| Sozopol to Castelnuovo di Porto | 776.29 mi (1,249.32 km) |
| Sozopol to Castelnuovo di Verona | 866.27 mi (1,394.13 km) |
| Sozopol to Castelnuovo Rangone | 851.80 mi (1,370.84 km) |
| Sozopol to Castelvetrano | 852.06 mi (1,371.26 km) |
| Sozopol to Castelvetro di Modena | 850.74 mi (1,369.13 km) |
| Sozopol to Castenaso | 825.20 mi (1,328.03 km) |
| Sozopol to Castenedolo | 889.19 mi (1,431.01 km) |
| Sozopol to Castiglion Fiorentino | 800.36 mi (1,288.05 km) |
| Sozopol to Castiglione del Lago | 794.19 mi (1,278.13 km) |
| Sozopol to Castiglione delle Stiviere | 878.78 mi (1,414.27 km) |
| Sozopol to Castrolibero | 637.28 mi (1,025.61 km) |
| Sozopol to Castrovillari | 624.40 mi (1,004.88 km) |
