| Darby to Southern Pines (North Carolina) | 397.66 mi (639.97 km) |
| Darby to Southfield (Michigan) | 451.57 mi (726.73 km) |
| Darby to Southgate (Michigan) | 442.72 mi (712.50 km) |
| Darby to Southlake (Texas) | 1,304.19 mi (2,098.89 km) |
| Darby to Spanaway (Washington) | 2,377.20 mi (3,825.73 km) |
| Darby to Spanish Fork (Utah) | 1,911.46 mi (3,076.19 km) |
| Darby to Spanish Lake (Missouri) | 801.41 mi (1,289.74 km) |
| Darby to Spanish Springs (Nevada) | 2,332.82 mi (3,754.31 km) |
| Darby to Sparks (Nevada) | 2,336.72 mi (3,760.58 km) |
| Darby to Spartanburg (South Carolina) | 501.63 mi (807.30 km) |
| Darby to Spearfish (South Dakota) | 1,487.06 mi (2,393.20 km) |
| Darby to Speedway (Indiana) | 582.44 mi (937.35 km) |
| Darby to Spencer (Iowa) | 1,050.03 mi (1,689.87 km) |
| Darby to Spokane (Washington) | 2,141.83 mi (3,446.94 km) |
| Darby to Spokane Valley (Washington) | 2,132.61 mi (3,432.10 km) |
