| Darby to Superior (Colorado) | 1,576.61 mi (2,537.31 km) |
| Darby to Superior (Wisconsin) | 963.74 mi (1,550.99 km) |
| Darby to Surprise (Arizona) | 2,086.51 mi (3,357.92 km) |
| Darby to Susanville (California) | 2,367.74 mi (3,810.51 km) |
| Darby to Sussex (Wisconsin) | 705.38 mi (1,135.20 km) |
| Darby to Suwanee (Georgia) | 632.51 mi (1,017.92 km) |
| Darby to Swansea (Illinois) | 792.76 mi (1,275.83 km) |
| Darby to Sweetwater (Florida) | 1,020.76 mi (1,642.75 km) |
| Darby to Sweetwater (Texas) | 1,487.62 mi (2,394.09 km) |
| Darby to Sycamore (Illinois) | 714.01 mi (1,149.09 km) |
| Darby to Sylacauga (Alabama) | 766.98 mi (1,234.34 km) |
| Darby to Sylvania (Ohio) | 458.51 mi (737.90 km) |
| Darby to Syosset (New York) | 111.33 mi (179.17 km) |
| Darby to Syracuse (New York) | 220.34 mi (354.60 km) |
| Darby to Syracuse (Utah) | 1,921.04 mi (3,091.61 km) |
