| Simpsonville to Smolyan | 5,426.05 mi (8,732.38 km) |
| Simpsonville to Sofia | 5,323.85 mi (8,567.91 km) |
| Simpsonville to Sopot | 5,384.17 mi (8,664.99 km) |
| Simpsonville to Sozopol | 5,513.27 mi (8,872.76 km) |
| Simpsonville to Sredets | 5,496.05 mi (8,845.04 km) |
| Simpsonville to Stamboliyski | 5,396.52 mi (8,684.85 km) |
| Simpsonville to Stara Zagora | 5,429.83 mi (8,738.46 km) |
| Simpsonville to Svilengrad | 5,480.16 mi (8,819.47 km) |
| Simpsonville to Svishtov | 5,368.63 mi (8,639.97 km) |
| Simpsonville to Targovishte | 5,433.26 mi (8,743.99 km) |
| Simpsonville to Teteven | 5,353.51 mi (8,615.64 km) |
| Simpsonville to Troyan | 5,373.23 mi (8,647.38 km) |
| Simpsonville to Tryavna | 5,405.71 mi (8,699.65 km) |
| Simpsonville to Tutrakan | 5,400.98 mi (8,692.04 km) |
| Simpsonville to Varna | 5,487.64 mi (8,831.51 km) |
