| Bonney Lake to Smolyan | 5,976.55 mi (9,618.33 km) |
| Bonney Lake to Sofia | 5,878.54 mi (9,460.60 km) |
| Bonney Lake to Sopot | 5,909.10 mi (9,509.77 km) |
| Bonney Lake to Sozopol | 5,977.78 mi (9,620.30 km) |
| Bonney Lake to Sredets | 5,973.32 mi (9,613.12 km) |
| Bonney Lake to Stamboliyski | 5,938.09 mi (9,556.44 km) |
| Bonney Lake to Stara Zagora | 5,939.86 mi (9,559.28 km) |
| Bonney Lake to Svilengrad | 5,992.98 mi (9,644.77 km) |
| Bonney Lake to Svishtov | 5,858.20 mi (9,427.86 km) |
| Bonney Lake to Targovishte | 5,904.12 mi (9,501.76 km) |
| Bonney Lake to Teteven | 5,882.83 mi (9,467.50 km) |
| Bonney Lake to Troyan | 5,893.51 mi (9,484.68 km) |
| Bonney Lake to Tryavna | 5,909.18 mi (9,509.91 km) |
| Bonney Lake to Tutrakan | 5,853.01 mi (9,419.51 km) |
| Bonney Lake to Varna | 5,929.56 mi (9,542.70 km) |
