| Caltanissetta to Smolyan | 632.83 mi (1,018.45 km) |
| Caltanissetta to Sofia | 607.26 mi (977.29 km) |
| Caltanissetta to Sopot | 667.36 mi (1,074.00 km) |
| Caltanissetta to Sozopol | 797.22 mi (1,283.01 km) |
| Caltanissetta to Sredets | 771.76 mi (1,242.02 km) |
| Caltanissetta to Stamboliyski | 640.99 mi (1,031.58 km) |
| Caltanissetta to Stara Zagora | 701.39 mi (1,128.79 km) |
| Caltanissetta to Svilengrad | 709.41 mi (1,141.69 km) |
| Caltanissetta to Svishtov | 727.15 mi (1,170.24 km) |
| Caltanissetta to Targovishte | 768.70 mi (1,237.10 km) |
| Caltanissetta to Teteven | 655.39 mi (1,054.74 km) |
| Caltanissetta to Troyan | 673.79 mi (1,084.35 km) |
| Caltanissetta to Tryavna | 707.96 mi (1,139.36 km) |
| Caltanissetta to Tutrakan | 796.68 mi (1,282.14 km) |
| Caltanissetta to Varna | 828.36 mi (1,333.12 km) |
