| Spokane to Smolyan | 5,849.77 mi (9,414.29 km) |
| Spokane to Sofia | 5,750.20 mi (9,254.05 km) |
| Spokane to Sopot | 5,783.79 mi (9,308.10 km) |
| Spokane to Sozopol | 5,858.79 mi (9,428.81 km) |
| Spokane to Sredets | 5,853.11 mi (9,419.66 km) |
| Spokane to Stamboliyski | 5,811.64 mi (9,352.94 km) |
| Spokane to Stara Zagora | 5,816.27 mi (9,360.38 km) |
| Spokane to Svilengrad | 5,869.79 mi (9,446.51 km) |
| Spokane to Svishtov | 5,735.44 mi (9,230.31 km) |
| Spokane to Targovishte | 5,783.63 mi (9,307.86 km) |
| Spokane to Teteven | 5,756.80 mi (9,264.68 km) |
| Spokane to Troyan | 5,768.42 mi (9,283.38 km) |
| Spokane to Tryavna | 5,785.80 mi (9,311.35 km) |
| Spokane to Tutrakan | 5,733.59 mi (9,227.33 km) |
| Spokane to Varna | 5,812.03 mi (9,353.56 km) |
