| Casciana Terme to Smolyan | 728.21 mi (1,171.93 km) |
| Casciana Terme to Sofia | 643.02 mi (1,034.84 km) |
| Casciana Terme to Sopot | 714.73 mi (1,150.24 km) |
| Casciana Terme to Sozopol | 865.38 mi (1,392.70 km) |
| Casciana Terme to Sredets | 841.22 mi (1,353.81 km) |
| Casciana Terme to Stamboliyski | 710.74 mi (1,143.82 km) |
| Casciana Terme to Stara Zagora | 762.47 mi (1,227.08 km) |
| Casciana Terme to Svilengrad | 799.90 mi (1,287.32 km) |
| Casciana Terme to Svishtov | 736.46 mi (1,185.21 km) |
| Casciana Terme to Targovishte | 800.57 mi (1,288.39 km) |
| Casciana Terme to Teteven | 687.65 mi (1,106.67 km) |
| Casciana Terme to Troyan | 710.52 mi (1,143.48 km) |
| Casciana Terme to Tryavna | 749.92 mi (1,206.88 km) |
| Casciana Terme to Tutrakan | 797.48 mi (1,283.42 km) |
| Casciana Terme to Varna | 867.46 mi (1,396.03 km) |
