| Leek to Superior (Colorado) | 4,551.35 mi (7,324.68 km) |
| Leek to Superior (Wisconsin) | 3,761.37 mi (6,053.34 km) |
| Leek to Surprise (Arizona) | 5,139.48 mi (8,271.19 km) |
| Leek to Susanville (California) | 5,012.75 mi (8,067.25 km) |
| Leek to Sussex (Wisconsin) | 3,789.12 mi (6,098.00 km) |
| Leek to Suwanee (Georgia) | 4,069.07 mi (6,548.54 km) |
| Leek to Swansea (Illinois) | 4,076.16 mi (6,559.94 km) |
| Leek to Sweetwater (Florida) | 4,339.73 mi (6,984.12 km) |
| Leek to Sweetwater (Texas) | 4,779.63 mi (7,692.08 km) |
| Leek to Sycamore (Illinois) | 3,860.07 mi (6,212.19 km) |
| Leek to Sylacauga (Alabama) | 4,199.70 mi (6,758.76 km) |
| Leek to Sylvania (Ohio) | 3,686.07 mi (5,932.16 km) |
| Leek to Syosset (New York) | 3,327.44 mi (5,354.99 km) |
| Leek to Syracuse (New York) | 3,333.63 mi (5,364.95 km) |
| Leek to Syracuse (Utah) | 4,715.85 mi (7,589.43 km) |
