| Castelfranco Emilia to Smolyan | 718.39 mi (1,156.13 km) |
| Castelfranco Emilia to Sofia | 626.98 mi (1,009.03 km) |
| Castelfranco Emilia to Sopot | 697.27 mi (1,122.15 km) |
| Castelfranco Emilia to Sozopol | 846.17 mi (1,361.78 km) |
| Castelfranco Emilia to Sredets | 822.94 mi (1,324.39 km) |
| Castelfranco Emilia to Stamboliyski | 697.29 mi (1,122.18 km) |
| Castelfranco Emilia to Stara Zagora | 745.45 mi (1,199.68 km) |
| Castelfranco Emilia to Svilengrad | 786.51 mi (1,265.77 km) |
| Castelfranco Emilia to Svishtov | 711.62 mi (1,145.23 km) |
| Castelfranco Emilia to Targovishte | 777.27 mi (1,250.89 km) |
| Castelfranco Emilia to Teteven | 668.80 mi (1,076.33 km) |
| Castelfranco Emilia to Troyan | 691.43 mi (1,112.74 km) |
| Castelfranco Emilia to Tryavna | 730.12 mi (1,175.01 km) |
| Castelfranco Emilia to Tutrakan | 769.08 mi (1,237.72 km) |
| Castelfranco Emilia to Varna | 843.35 mi (1,357.24 km) |
