| Castelli Calepio to Smolyan | 790.08 mi (1,271.51 km) |
| Castelli Calepio to Sofia | 694.81 mi (1,118.19 km) |
| Castelli Calepio to Sopot | 763.34 mi (1,228.48 km) |
| Castelli Calepio to Sozopol | 909.71 mi (1,464.04 km) |
| Castelli Calepio to Sredets | 887.41 mi (1,428.15 km) |
| Castelli Calepio to Stamboliyski | 766.49 mi (1,233.55 km) |
| Castelli Calepio to Stara Zagora | 811.48 mi (1,305.95 km) |
| Castelli Calepio to Svilengrad | 855.13 mi (1,376.20 km) |
| Castelli Calepio to Svishtov | 771.15 mi (1,241.05 km) |
| Castelli Calepio to Targovishte | 837.67 mi (1,348.10 km) |
| Castelli Calepio to Teteven | 733.97 mi (1,181.21 km) |
| Castelli Calepio to Troyan | 756.19 mi (1,216.97 km) |
| Castelli Calepio to Tryavna | 793.97 mi (1,277.76 km) |
| Castelli Calepio to Tutrakan | 824.71 mi (1,327.24 km) |
| Castelli Calepio to Varna | 902.54 mi (1,452.50 km) |
