| Slovenj Gradec to Smolyan | 585.95 mi (943.00 km) |
| Slovenj Gradec to Sofia | 483.36 mi (777.89 km) |
| Slovenj Gradec to Sopot | 544.99 mi (877.08 km) |
| Slovenj Gradec to Sozopol | 682.56 mi (1,098.47 km) |
| Slovenj Gradec to Sredets | 662.56 mi (1,066.28 km) |
| Slovenj Gradec to Stamboliyski | 556.03 mi (894.84 km) |
| Slovenj Gradec to Stara Zagora | 591.72 mi (952.28 km) |
| Slovenj Gradec to Svilengrad | 640.57 mi (1,030.90 km) |
| Slovenj Gradec to Svishtov | 539.11 mi (867.61 km) |
| Slovenj Gradec to Targovishte | 605.86 mi (975.04 km) |
| Slovenj Gradec to Teteven | 514.43 mi (827.90 km) |
| Slovenj Gradec to Troyan | 535.04 mi (861.06 km) |
| Slovenj Gradec to Tryavna | 569.79 mi (916.99 km) |
| Slovenj Gradec to Tutrakan | 585.47 mi (942.22 km) |
| Slovenj Gradec to Varna | 667.65 mi (1,074.48 km) |
