| Washington to Southern Pines (North Carolina) | 3,816.65 mi (6,142.31 km) |
| Washington to Southfield (Michigan) | 3,604.15 mi (5,800.31 km) |
| Washington to Southgate (Michigan) | 3,615.17 mi (5,818.05 km) |
| Washington to Southlake (Texas) | 4,599.17 mi (7,401.65 km) |
| Washington to Spanaway (Washington) | 4,596.76 mi (7,397.77 km) |
| Washington to Spanish Fork (Utah) | 4,693.16 mi (7,552.91 km) |
| Washington to Spanish Lake (Missouri) | 4,040.60 mi (6,502.72 km) |
| Washington to Spanish Springs (Nevada) | 4,956.93 mi (7,977.42 km) |
| Washington to Sparks (Nevada) | 4,963.12 mi (7,987.37 km) |
| Washington to Spartanburg (South Carolina) | 3,926.31 mi (6,318.78 km) |
| Washington to Spearfish (South Dakota) | 4,209.28 mi (6,774.18 km) |
| Washington to Speedway (Indiana) | 3,845.12 mi (6,188.12 km) |
| Washington to Spencer (Iowa) | 3,993.38 mi (6,426.72 km) |
| Washington to Spokane (Washington) | 4,434.21 mi (7,136.17 km) |
| Washington to Spokane Valley (Washington) | 4,429.15 mi (7,128.03 km) |
