| Midwest City to Smolyan | 5,974.44 mi (9,614.94 km) |
| Midwest City to Sofia | 5,870.20 mi (9,447.18 km) |
| Midwest City to Sopot | 5,922.98 mi (9,532.12 km) |
| Midwest City to Sozopol | 6,036.88 mi (9,715.42 km) |
| Midwest City to Sredets | 6,023.22 mi (9,693.44 km) |
| Midwest City to Stamboliyski | 5,941.08 mi (9,561.25 km) |
| Midwest City to Stara Zagora | 5,965.37 mi (9,600.34 km) |
| Midwest City to Svilengrad | 6,018.29 mi (9,685.50 km) |
| Midwest City to Svishtov | 5,895.48 mi (9,487.86 km) |
| Midwest City to Targovishte | 5,956.22 mi (9,585.61 km) |
| Midwest City to Teteven | 5,892.71 mi (9,483.40 km) |
| Midwest City to Troyan | 5,910.18 mi (9,511.51 km) |
| Midwest City to Tryavna | 5,938.33 mi (9,556.81 km) |
| Midwest City to Tutrakan | 5,916.68 mi (9,521.98 km) |
| Midwest City to Varna | 6,003.00 mi (9,660.89 km) |
