| Solec Kujawski to Smolyan | 849.47 mi (1,367.08 km) |
| Solec Kujawski to Sofia | 754.79 mi (1,214.72 km) |
| Solec Kujawski to Sopot | 780.81 mi (1,256.59 km) |
| Solec Kujawski to Sozopol | 856.58 mi (1,378.53 km) |
| Solec Kujawski to Sredets | 849.21 mi (1,366.68 km) |
| Solec Kujawski to Stamboliyski | 810.72 mi (1,304.73 km) |
| Solec Kujawski to Stara Zagora | 811.46 mi (1,305.92 km) |
| Solec Kujawski to Svilengrad | 864.80 mi (1,391.76 km) |
| Solec Kujawski to Svishtov | 730.32 mi (1,175.33 km) |
| Solec Kujawski to Targovishte | 779.61 mi (1,254.67 km) |
| Solec Kujawski to Teteven | 755.14 mi (1,215.28 km) |
| Solec Kujawski to Troyan | 765.12 mi (1,231.34 km) |
| Solec Kujawski to Tryavna | 780.87 mi (1,256.69 km) |
| Solec Kujawski to Tutrakan | 731.34 mi (1,176.97 km) |
| Solec Kujawski to Varna | 813.26 mi (1,308.82 km) |
