| Biskupiec to Smolyan | 865.94 mi (1,393.60 km) |
| Biskupiec to Sofia | 779.04 mi (1,253.75 km) |
| Biskupiec to Sopot | 794.00 mi (1,277.83 km) |
| Biskupiec to Sozopol | 848.92 mi (1,366.20 km) |
| Biskupiec to Sredets | 845.29 mi (1,360.36 km) |
| Biskupiec to Stamboliyski | 827.02 mi (1,330.97 km) |
| Biskupiec to Stara Zagora | 818.48 mi (1,317.22 km) |
| Biskupiec to Svilengrad | 869.97 mi (1,400.09 km) |
| Biskupiec to Svishtov | 735.47 mi (1,183.62 km) |
| Biskupiec to Targovishte | 776.60 mi (1,249.82 km) |
| Biskupiec to Teteven | 771.35 mi (1,241.37 km) |
| Biskupiec to Troyan | 777.87 mi (1,251.86 km) |
| Biskupiec to Tryavna | 787.57 mi (1,267.47 km) |
| Biskupiec to Tutrakan | 724.51 mi (1,165.99 km) |
| Biskupiec to Varna | 800.66 mi (1,288.54 km) |
