| Lousa to Smolyan | 1,714.52 mi (2,759.26 km) |
| Lousa to Sofia | 1,636.53 mi (2,633.74 km) |
| Lousa to Sopot | 1,708.69 mi (2,749.87 km) |
| Lousa to Sozopol | 1,859.74 mi (2,992.96 km) |
| Lousa to Sredets | 1,835.01 mi (2,953.17 km) |
| Lousa to Stamboliyski | 1,701.36 mi (2,738.07 km) |
| Lousa to Stara Zagora | 1,755.79 mi (2,825.68 km) |
| Lousa to Svilengrad | 1,789.49 mi (2,879.91 km) |
| Lousa to Svishtov | 1,733.59 mi (2,789.94 km) |
| Lousa to Targovishte | 1,797.22 mi (2,892.35 km) |
| Lousa to Teteven | 1,682.68 mi (2,708.01 km) |
| Lousa to Troyan | 1,705.57 mi (2,744.84 km) |
| Lousa to Tryavna | 1,745.17 mi (2,808.58 km) |
| Lousa to Tutrakan | 1,794.73 mi (2,888.34 km) |
| Lousa to Varna | 1,864.26 mi (3,000.23 km) |
