| Caltagirone to Smolyan | 620.62 mi (998.80 km) |
| Caltagirone to Sofia | 599.80 mi (965.29 km) |
| Caltagirone to Sopot | 657.98 mi (1,058.92 km) |
| Caltagirone to Sozopol | 784.73 mi (1,262.90 km) |
| Caltagirone to Sredets | 759.45 mi (1,222.22 km) |
| Caltagirone to Stamboliyski | 630.47 mi (1,014.65 km) |
| Caltagirone to Stara Zagora | 690.55 mi (1,111.33 km) |
| Caltagirone to Svilengrad | 696.43 mi (1,120.79 km) |
| Caltagirone to Svishtov | 719.52 mi (1,157.95 km) |
| Caltagirone to Targovishte | 758.97 mi (1,221.45 km) |
| Caltagirone to Teteven | 647.27 mi (1,041.69 km) |
| Caltagirone to Troyan | 665.05 mi (1,070.30 km) |
| Caltagirone to Tryavna | 698.35 mi (1,123.89 km) |
| Caltagirone to Tutrakan | 788.72 mi (1,269.33 km) |
| Caltagirone to Varna | 817.48 mi (1,315.61 km) |
