| Bossier City to Popovo | 5,967.19 mi (9,603.26 km) |
| Bossier City to Provadia | 6,019.02 mi (9,686.68 km) |
| Bossier City to Radnevo | 6,005.37 mi (9,664.70 km) |
| Bossier City to Radomir | 5,880.43 mi (9,463.63 km) |
| Bossier City to Rakitovo | 5,949.81 mi (9,575.30 km) |
| Bossier City to Rakovski | 5,969.41 mi (9,606.84 km) |
| Bossier City to Razgrad | 5,968.95 mi (9,606.10 km) |
| Bossier City to Razlog | 5,930.61 mi (9,544.39 km) |
| Bossier City to Ruse | 5,934.72 mi (9,551.01 km) |
| Bossier City to Samokov | 5,913.37 mi (9,516.64 km) |
| Bossier City to Sandanski | 5,937.78 mi (9,555.93 km) |
| Bossier City to Sevlievo | 5,940.78 mi (9,560.77 km) |
| Bossier City to Shumen | 5,996.02 mi (9,649.66 km) |
| Bossier City to Silistra | 5,968.25 mi (9,604.97 km) |
| Bossier City to Sliven | 6,002.28 mi (9,659.73 km) |
