| Florennes to Sofia | 1,028.30 mi (1,654.89 km) |
| Florennes to Sopot | 1,088.45 mi (1,751.68 km) |
| Florennes to Sozopol | 1,220.74 mi (1,964.60 km) |
| Florennes to Sredets | 1,202.33 mi (1,934.96 km) |
| Florennes to Stamboliyski | 1,100.87 mi (1,771.67 km) |
| Florennes to Stara Zagora | 1,134.38 mi (1,825.61 km) |
| Florennes to Svilengrad | 1,184.39 mi (1,906.09 km) |
| Florennes to Svishtov | 1,076.00 mi (1,731.66 km) |
| Florennes to Targovishte | 1,141.79 mi (1,837.53 km) |
| Florennes to Teteven | 1,057.79 mi (1,702.35 km) |
| Florennes to Troyan | 1,077.72 mi (1,734.42 km) |
| Florennes to Tryavna | 1,110.91 mi (1,787.84 km) |
| Florennes to Tutrakan | 1,114.29 mi (1,793.27 km) |
| Florennes to Varna | 1,199.72 mi (1,930.76 km) |
| Florennes to Veliki Preslav | 1,154.80 mi (1,858.47 km) |
