| Slupca to Southern Pines (North Carolina) | 4,620.53 mi (7,436.02 km) |
| Slupca to Southfield (Michigan) | 4,382.73 mi (7,053.32 km) |
| Slupca to Southgate (Michigan) | 4,394.78 mi (7,072.72 km) |
| Slupca to Southlake (Texas) | 5,367.03 mi (8,637.39 km) |
| Slupca to Spanaway (Washington) | 5,179.89 mi (8,336.22 km) |
| Slupca to Spanish Fork (Utah) | 5,371.86 mi (8,645.18 km) |
| Slupca to Spanish Lake (Missouri) | 4,812.27 mi (7,744.60 km) |
| Slupca to Spanish Springs (Nevada) | 5,591.74 mi (8,999.04 km) |
| Slupca to Sparks (Nevada) | 5,598.00 mi (9,009.11 km) |
| Slupca to Spartanburg (South Carolina) | 4,726.75 mi (7,606.97 km) |
| Slupca to Spearfish (South Dakota) | 4,906.45 mi (7,896.18 km) |
| Slupca to Speedway (Indiana) | 4,624.58 mi (7,442.53 km) |
| Slupca to Spencer (Iowa) | 4,732.40 mi (7,616.06 km) |
| Slupca to Spokane (Washington) | 5,044.59 mi (8,118.48 km) |
| Slupca to Spokane Valley (Washington) | 5,040.70 mi (8,112.23 km) |
