| Bosilegrad to Smolyan | 130.67 mi (210.30 km) |
| Bosilegrad to Sofia | 45.72 mi (73.58 km) |
| Bosilegrad to Sopot | 116.32 mi (187.20 km) |
| Bosilegrad to Sozopol | 266.48 mi (428.85 km) |
| Bosilegrad to Sredets | 241.29 mi (388.32 km) |
| Bosilegrad to Stamboliyski | 108.28 mi (174.26 km) |
| Bosilegrad to Stara Zagora | 161.99 mi (260.70 km) |
| Bosilegrad to Svilengrad | 197.57 mi (317.96 km) |
| Bosilegrad to Svishtov | 164.44 mi (264.64 km) |
| Bosilegrad to Targovishte | 214.45 mi (345.13 km) |
| Bosilegrad to Teteven | 95.51 mi (153.70 km) |
| Bosilegrad to Troyan | 116.98 mi (188.26 km) |
| Bosilegrad to Tryavna | 155.82 mi (250.76 km) |
| Bosilegrad to Tutrakan | 234.30 mi (377.07 km) |
| Bosilegrad to Varna | 280.07 mi (450.73 km) |
