| Federal Way to Smolyan | 5,971.53 mi (9,610.25 km) |
| Federal Way to Sofia | 5,873.62 mi (9,452.68 km) |
| Federal Way to Sopot | 5,904.00 mi (9,501.56 km) |
| Federal Way to Sozopol | 5,972.31 mi (9,611.51 km) |
| Federal Way to Sredets | 5,967.92 mi (9,604.44 km) |
| Federal Way to Stamboliyski | 5,933.06 mi (9,548.33 km) |
| Federal Way to Stara Zagora | 5,934.66 mi (9,550.91 km) |
| Federal Way to Svilengrad | 5,987.75 mi (9,636.35 km) |
| Federal Way to Svishtov | 5,852.96 mi (9,419.42 km) |
| Federal Way to Targovishte | 5,898.75 mi (9,493.11 km) |
| Federal Way to Teteven | 5,877.77 mi (9,459.36 km) |
| Federal Way to Troyan | 5,888.40 mi (9,476.46 km) |
| Federal Way to Tryavna | 5,903.97 mi (9,501.52 km) |
| Federal Way to Tutrakan | 5,847.58 mi (9,410.77 km) |
| Federal Way to Varna | 5,924.01 mi (9,533.78 km) |
