| Muskogee to Smolyan | 5,886.92 mi (9,474.07 km) |
| Muskogee to Sofia | 5,782.76 mi (9,306.45 km) |
| Muskogee to Sopot | 5,836.47 mi (9,392.89 km) |
| Muskogee to Sozopol | 5,952.27 mi (9,579.25 km) |
| Muskogee to Sredets | 5,938.18 mi (9,556.58 km) |
| Muskogee to Stamboliyski | 5,853.94 mi (9,421.01 km) |
| Muskogee to Stara Zagora | 5,879.29 mi (9,461.80 km) |
| Muskogee to Svilengrad | 5,931.99 mi (9,546.61 km) |
| Muskogee to Svishtov | 5,810.28 mi (9,350.74 km) |
| Muskogee to Targovishte | 5,871.56 mi (9,449.36 km) |
| Muskogee to Teteven | 5,806.11 mi (9,344.02 km) |
| Muskogee to Troyan | 5,823.85 mi (9,372.59 km) |
| Muskogee to Tryavna | 5,852.53 mi (9,418.74 km) |
| Muskogee to Tutrakan | 5,832.79 mi (9,386.97 km) |
| Muskogee to Varna | 5,919.28 mi (9,526.16 km) |
