| Ilirska Bistrica to Smolyan | 590.34 mi (950.06 km) |
| Ilirska Bistrica to Sofia | 491.45 mi (790.91 km) |
| Ilirska Bistrica to Sopot | 557.91 mi (897.86 km) |
| Ilirska Bistrica to Sozopol | 701.99 mi (1,129.75 km) |
| Ilirska Bistrica to Sredets | 680.32 mi (1,094.87 km) |
| Ilirska Bistrica to Stamboliyski | 563.98 mi (907.64 km) |
| Ilirska Bistrica to Stara Zagora | 605.78 mi (974.90 km) |
| Ilirska Bistrica to Svilengrad | 651.48 mi (1,048.45 km) |
| Ilirska Bistrica to Svishtov | 561.91 mi (904.30 km) |
| Ilirska Bistrica to Targovishte | 628.62 mi (1,011.66 km) |
| Ilirska Bistrica to Teteven | 527.99 mi (849.72 km) |
| Ilirska Bistrica to Troyan | 549.80 mi (884.81 km) |
| Ilirska Bistrica to Tryavna | 586.79 mi (944.35 km) |
| Ilirska Bistrica to Tutrakan | 614.43 mi (988.83 km) |
| Ilirska Bistrica to Varna | 692.96 mi (1,115.21 km) |
