| Sikeston to Smolyan | 5,613.17 mi (9,033.53 km) |
| Sikeston to Sofia | 5,509.39 mi (8,866.50 km) |
| Sikeston to Sopot | 5,565.35 mi (8,956.56 km) |
| Sikeston to Sozopol | 5,685.75 mi (9,150.34 km) |
| Sikeston to Sredets | 5,670.61 mi (9,125.96 km) |
| Sikeston to Stamboliyski | 5,581.22 mi (8,982.10 km) |
| Sikeston to Stara Zagora | 5,609.19 mi (9,027.11 km) |
| Sikeston to Svilengrad | 5,661.25 mi (9,110.90 km) |
| Sikeston to Svishtov | 5,542.54 mi (8,919.85 km) |
| Sikeston to Targovishte | 5,605.07 mi (9,020.48 km) |
| Sikeston to Teteven | 5,534.81 mi (8,907.42 km) |
| Sikeston to Troyan | 5,553.24 mi (8,937.07 km) |
| Sikeston to Tryavna | 5,583.22 mi (8,985.32 km) |
| Sikeston to Tutrakan | 5,568.33 mi (8,961.36 km) |
| Sikeston to Varna | 5,655.10 mi (9,101.00 km) |
