| Spanaway to Siloam Springs (Arkansas) | 1,613.47 mi (2,596.63 km) |
| Spanaway to Silver Firs (Washington) | 54.42 mi (87.58 km) |
| Spanaway to Silver Spring (Maryland) | 2,324.89 mi (3,741.55 km) |
| Spanaway to Silver Springs Shores (Florida) | 2,485.75 mi (4,000.43 km) |
| Spanaway to Silverdale (Washington) | 41.11 mi (66.15 km) |
| Spanaway to Silverton (Oregon) | 145.75 mi (234.57 km) |
| Spanaway to Simi Valley (California) | 906.96 mi (1,459.61 km) |
| Spanaway to Simpsonville (South Carolina) | 2,234.78 mi (3,596.52 km) |
| Spanaway to Sioux City (Iowa) | 1,308.74 mi (2,106.21 km) |
| Spanaway to Sioux Falls (South Dakota) | 1,266.17 mi (2,037.71 km) |
| Spanaway to Skokie (Illinois) | 1,727.79 mi (2,780.62 km) |
| Spanaway to Sleepy Hollow (New York) | 2,404.91 mi (3,870.32 km) |
| Spanaway to Slidell (Louisiana) | 2,085.32 mi (3,356.01 km) |
| Spanaway to Smithfield (North Carolina) | 2,387.29 mi (3,841.97 km) |
| Spanaway to Smithfield (Utah) | 635.71 mi (1,023.08 km) |
