| Muscatine to Smolyan | 5,440.47 mi (8,755.60 km) |
| Muscatine to Sofia | 5,336.22 mi (8,587.81 km) |
| Muscatine to Sopot | 5,388.85 mi (8,672.51 km) |
| Muscatine to Sozopol | 5,502.70 mi (8,855.73 km) |
| Muscatine to Sredets | 5,489.02 mi (8,833.72 km) |
| Muscatine to Stamboliyski | 5,407.04 mi (8,701.79 km) |
| Muscatine to Stara Zagora | 5,431.19 mi (8,740.66 km) |
| Muscatine to Svilengrad | 5,484.13 mi (8,825.85 km) |
| Muscatine to Svishtov | 5,361.27 mi (8,628.13 km) |
| Muscatine to Targovishte | 5,422.03 mi (8,725.92 km) |
| Muscatine to Teteven | 5,358.59 mi (8,623.81 km) |
| Muscatine to Troyan | 5,376.02 mi (8,651.87 km) |
| Muscatine to Tryavna | 5,404.13 mi (8,697.11 km) |
| Muscatine to Tutrakan | 5,382.56 mi (8,662.40 km) |
| Muscatine to Varna | 5,468.90 mi (8,801.35 km) |
