| Bossier City to Smolyan | 5,991.92 mi (9,643.06 km) |
| Bossier City to Sofia | 5,888.22 mi (9,476.18 km) |
| Bossier City to Sopot | 5,944.52 mi (9,566.78 km) |
| Bossier City to Sozopol | 6,065.44 mi (9,761.39 km) |
| Bossier City to Sredets | 6,050.19 mi (9,736.85 km) |
| Bossier City to Stamboliyski | 5,960.14 mi (9,591.92 km) |
| Bossier City to Stara Zagora | 5,988.49 mi (9,637.54 km) |
| Bossier City to Svilengrad | 6,040.46 mi (9,721.18 km) |
| Bossier City to Svishtov | 5,922.12 mi (9,530.74 km) |
| Bossier City to Targovishte | 5,984.77 mi (9,631.56 km) |
| Bossier City to Teteven | 5,913.97 mi (9,517.61 km) |
| Bossier City to Troyan | 5,932.48 mi (9,547.41 km) |
| Bossier City to Tryavna | 5,962.63 mi (9,595.92 km) |
| Bossier City to Tutrakan | 5,948.19 mi (9,572.69 km) |
| Bossier City to Varna | 6,034.98 mi (9,712.36 km) |
