| Balaguer to Smolyan | 1,229.00 mi (1,977.89 km) |
| Balaguer to Sofia | 1,150.38 mi (1,851.35 km) |
| Balaguer to Sopot | 1,222.54 mi (1,967.48 km) |
| Balaguer to Sozopol | 1,373.59 mi (2,210.57 km) |
| Balaguer to Sredets | 1,348.86 mi (2,170.79 km) |
| Balaguer to Stamboliyski | 1,215.36 mi (1,955.93 km) |
| Balaguer to Stara Zagora | 1,269.65 mi (2,043.30 km) |
| Balaguer to Svilengrad | 1,303.64 mi (2,098.00 km) |
| Balaguer to Svishtov | 1,248.02 mi (2,008.50 km) |
| Balaguer to Targovishte | 1,311.37 mi (2,110.44 km) |
| Balaguer to Teteven | 1,196.56 mi (1,925.68 km) |
| Balaguer to Troyan | 1,219.45 mi (1,962.51 km) |
| Balaguer to Tryavna | 1,259.06 mi (2,026.27 km) |
| Balaguer to Tutrakan | 1,309.83 mi (2,107.97 km) |
| Balaguer to Varna | 1,378.44 mi (2,218.39 km) |
