| Vashon to Smolyan | 5,967.63 mi (9,603.97 km) |
| Vashon to Sofia | 5,869.80 mi (9,446.53 km) |
| Vashon to Sopot | 5,900.03 mi (9,495.18 km) |
| Vashon to Sozopol | 5,968.05 mi (9,604.65 km) |
| Vashon to Sredets | 5,963.71 mi (9,597.67 km) |
| Vashon to Stamboliyski | 5,929.14 mi (9,542.03 km) |
| Vashon to Stara Zagora | 5,930.61 mi (9,544.40 km) |
| Vashon to Svilengrad | 5,983.68 mi (9,629.81 km) |
| Vashon to Svishtov | 5,848.87 mi (9,412.85 km) |
| Vashon to Targovishte | 5,894.56 mi (9,486.37 km) |
| Vashon to Teteven | 5,873.84 mi (9,453.04 km) |
| Vashon to Troyan | 5,884.42 mi (9,470.06 km) |
| Vashon to Tryavna | 5,899.91 mi (9,494.99 km) |
| Vashon to Tutrakan | 5,843.34 mi (9,403.95 km) |
| Vashon to Varna | 5,919.69 mi (9,526.82 km) |
