| Everett to Smolyan | 5,927.75 mi (9,539.79 km) |
| Everett to Sofia | 5,829.94 mi (9,382.38 km) |
| Everett to Sopot | 5,860.13 mi (9,430.97 km) |
| Everett to Sozopol | 5,928.11 mi (9,540.37 km) |
| Everett to Sredets | 5,923.78 mi (9,533.40 km) |
| Everett to Stamboliyski | 5,889.26 mi (9,477.84 km) |
| Everett to Stara Zagora | 5,890.69 mi (9,480.16 km) |
| Everett to Svilengrad | 5,943.76 mi (9,565.56 km) |
| Everett to Svishtov | 5,808.95 mi (9,348.61 km) |
| Everett to Targovishte | 5,854.62 mi (9,422.10 km) |
| Everett to Teteven | 5,833.95 mi (9,388.84 km) |
| Everett to Troyan | 5,844.52 mi (9,405.84 km) |
| Everett to Tryavna | 5,860.00 mi (9,430.75 km) |
| Everett to Tutrakan | 5,803.40 mi (9,339.67 km) |
| Everett to Varna | 5,879.74 mi (9,462.53 km) |
