| Florissant to Smolyan | 5,545.06 mi (8,923.91 km) |
| Florissant to Sofia | 5,441.01 mi (8,756.46 km) |
| Florissant to Sopot | 5,495.54 mi (8,844.21 km) |
| Florissant to Sozopol | 5,613.12 mi (9,033.45 km) |
| Florissant to Sredets | 5,598.62 mi (9,010.10 km) |
| Florissant to Stamboliyski | 5,512.44 mi (8,871.41 km) |
| Florissant to Stara Zagora | 5,538.74 mi (8,913.75 km) |
| Florissant to Svilengrad | 5,591.22 mi (8,998.20 km) |
| Florissant to Svishtov | 5,470.61 mi (8,804.10 km) |
| Florissant to Targovishte | 5,532.40 mi (8,903.54 km) |
| Florissant to Teteven | 5,465.10 mi (8,795.23 km) |
| Florissant to Troyan | 5,483.10 mi (8,824.20 km) |
| Florissant to Tryavna | 5,512.28 mi (8,871.16 km) |
| Florissant to Tutrakan | 5,494.44 mi (8,842.44 km) |
| Florissant to Varna | 5,581.07 mi (8,981.86 km) |
