| Sofia to Castelfiorentino | 625.72 mi (1,007.00 km) |
| Sofia to Castelfranco di Sopra | 596.19 mi (959.47 km) |
| Sofia to Castelfranco di Sotto | 636.75 mi (1,024.75 km) |
| Sofia to Castelfranco Emilia | 626.98 mi (1,009.03 km) |
| Sofia to Castelfranco Veneto | 600.08 mi (965.74 km) |
| Sofia to Castellabate | 464.46 mi (747.48 km) |
| Sofia to Castellammare del Golfo | 637.20 mi (1,025.47 km) |
| Sofia to Castellammare di Stabia | 476.85 mi (767.41 km) |
| Sofia to Castellamonte | 796.13 mi (1,281.25 km) |
| Sofia to Castellana Grotte | 341.30 mi (549.28 km) |
| Sofia to Castellaneta | 359.59 mi (578.71 km) |
| Sofia to Castellanza | 741.95 mi (1,194.06 km) |
| Sofia to Castellarano | 639.86 mi (1,029.76 km) |
| Sofia to Castelleone | 696.92 mi (1,121.59 km) |
| Sofia to Castelletto sopra Ticino | 755.89 mi (1,216.48 km) |
