| Sofia to Castelli Calepio | 694.81 mi (1,118.19 km) |
| Sofia to Castelnovo ne' Monti | 657.57 mi (1,058.25 km) |
| Sofia to Castelnuovo Berardenga | 598.50 mi (963.20 km) |
| Sofia to Castelnuovo di Porto | 553.43 mi (890.66 km) |
| Sofia to Castelnuovo di Verona | 650.88 mi (1,047.49 km) |
| Sofia to Castelnuovo Rangone | 632.39 mi (1,017.74 km) |
| Sofia to Castelvetrano | 654.56 mi (1,053.41 km) |
| Sofia to Castelvetro di Modena | 631.14 mi (1,015.73 km) |
| Sofia to Castenaso | 605.79 mi (974.93 km) |
| Sofia to Castenedolo | 673.69 mi (1,084.20 km) |
| Sofia to Castiglion Fiorentino | 577.68 mi (929.68 km) |
| Sofia to Castiglione del Lago | 571.23 mi (919.30 km) |
| Sofia to Castiglione delle Stiviere | 663.05 mi (1,067.07 km) |
| Sofia to Castrolibero | 438.90 mi (706.34 km) |
| Sofia to Castrovillari | 420.31 mi (676.43 km) |
