| Anacortes to Smolyan | 5,902.64 mi (9,499.39 km) |
| Anacortes to Sofia | 5,805.16 mi (9,342.50 km) |
| Anacortes to Sopot | 5,834.77 mi (9,390.16 km) |
| Anacortes to Sozopol | 5,901.59 mi (9,497.69 km) |
| Anacortes to Sredets | 5,897.48 mi (9,491.07 km) |
| Anacortes to Stamboliyski | 5,864.10 mi (9,437.36 km) |
| Anacortes to Stara Zagora | 5,865.01 mi (9,438.83 km) |
| Anacortes to Svilengrad | 5,917.99 mi (9,524.09 km) |
| Anacortes to Svishtov | 5,783.14 mi (9,307.07 km) |
| Anacortes to Targovishte | 5,828.39 mi (9,379.88 km) |
| Anacortes to Teteven | 5,808.73 mi (9,348.25 km) |
| Anacortes to Troyan | 5,819.12 mi (9,364.97 km) |
| Anacortes to Tryavna | 5,834.28 mi (9,389.37 km) |
| Anacortes to Tutrakan | 5,777.00 mi (9,297.18 km) |
| Anacortes to Varna | 5,852.98 mi (9,419.47 km) |
