| Spokane Valley to Smolyan | 5,845.78 mi (9,407.87 km) |
| Spokane Valley to Sofia | 5,746.14 mi (9,247.52 km) |
| Spokane Valley to Sopot | 5,779.87 mi (9,301.79 km) |
| Spokane Valley to Sozopol | 5,855.15 mi (9,422.95 km) |
| Spokane Valley to Sredets | 5,849.41 mi (9,413.72 km) |
| Spokane Valley to Stamboliyski | 5,807.67 mi (9,346.54 km) |
| Spokane Valley to Stara Zagora | 5,812.42 mi (9,354.19 km) |
| Spokane Valley to Svilengrad | 5,865.96 mi (9,440.35 km) |
| Spokane Valley to Svishtov | 5,731.64 mi (9,224.19 km) |
| Spokane Valley to Targovishte | 5,779.93 mi (9,301.89 km) |
| Spokane Valley to Teteven | 5,752.85 mi (9,258.32 km) |
| Spokane Valley to Troyan | 5,764.51 mi (9,277.09 km) |
| Spokane Valley to Tryavna | 5,781.97 mi (9,305.18 km) |
| Spokane Valley to Tutrakan | 5,729.94 mi (9,221.45 km) |
| Spokane Valley to Varna | 5,808.46 mi (9,347.81 km) |
