| Sluis to Southern Pines (North Carolina) | 4,081.51 mi (6,568.56 km) |
| Sluis to Southfield (Michigan) | 3,893.75 mi (6,266.39 km) |
| Sluis to Southgate (Michigan) | 3,904.10 mi (6,283.04 km) |
| Sluis to Southlake (Texas) | 4,892.66 mi (7,873.97 km) |
| Sluis to Spanaway (Washington) | 4,917.39 mi (7,913.77 km) |
| Sluis to Spanish Fork (Utah) | 5,009.70 mi (8,062.33 km) |
| Sluis to Spanish Lake (Missouri) | 4,333.21 mi (6,973.63 km) |
| Sluis to Spanish Springs (Nevada) | 5,276.84 mi (8,492.25 km) |
| Sluis to Sparks (Nevada) | 5,283.02 mi (8,502.20 km) |
| Sluis to Spartanburg (South Carolina) | 4,195.91 mi (6,752.67 km) |
| Sluis to Spearfish (South Dakota) | 4,523.82 mi (7,280.38 km) |
| Sluis to Speedway (Indiana) | 4,133.61 mi (6,652.41 km) |
| Sluis to Spencer (Iowa) | 4,299.12 mi (6,918.76 km) |
| Sluis to Spokane (Washington) | 4,754.94 mi (7,652.34 km) |
| Sluis to Spokane Valley (Washington) | 4,749.88 mi (7,644.19 km) |
