| Spanaway to Smolyan | 5,986.53 mi (9,634.39 km) |
| Spanaway to Sofia | 5,888.60 mi (9,476.79 km) |
| Spanaway to Sopot | 5,919.01 mi (9,525.73 km) |
| Spanaway to Sozopol | 5,987.39 mi (9,635.78 km) |
| Spanaway to Sredets | 5,982.99 mi (9,628.69 km) |
| Spanaway to Stamboliyski | 5,948.06 mi (9,572.48 km) |
| Spanaway to Stara Zagora | 5,949.69 mi (9,575.11 km) |
| Spanaway to Svilengrad | 6,002.79 mi (9,660.56 km) |
| Spanaway to Svishtov | 5,868.00 mi (9,443.63 km) |
| Spanaway to Targovishte | 5,913.81 mi (9,517.36 km) |
| Spanaway to Teteven | 5,892.78 mi (9,483.51 km) |
| Spanaway to Troyan | 5,903.41 mi (9,500.63 km) |
| Spanaway to Tryavna | 5,919.01 mi (9,525.72 km) |
| Spanaway to Tutrakan | 5,862.65 mi (9,435.03 km) |
| Spanaway to Varna | 5,939.10 mi (9,558.06 km) |
