| Canals to Superior (Colorado) | 5,203.38 mi (8,374.04 km) |
| Canals to Superior (Wisconsin) | 4,398.74 mi (7,079.09 km) |
| Canals to Surprise (Arizona) | 5,791.11 mi (9,319.90 km) |
| Canals to Susanville (California) | 5,776.21 mi (9,295.90 km) |
| Canals to Sussex (Wisconsin) | 4,355.93 mi (7,010.19 km) |
| Canals to Suwanee (Georgia) | 4,479.81 mi (7,209.56 km) |
| Canals to Swansea (Illinois) | 4,596.96 mi (7,398.09 km) |
| Canals to Sweetwater (Florida) | 4,599.84 mi (7,402.73 km) |
| Canals to Sweetwater (Texas) | 5,317.42 mi (8,557.57 km) |
| Canals to Sycamore (Illinois) | 4,415.24 mi (7,105.64 km) |
| Canals to Sylacauga (Alabama) | 4,618.73 mi (7,433.13 km) |
| Canals to Sylvania (Ohio) | 4,200.84 mi (6,760.60 km) |
| Canals to Syosset (New York) | 3,750.18 mi (6,035.33 km) |
| Canals to Syracuse (New York) | 3,813.10 mi (6,136.59 km) |
| Canals to Syracuse (Utah) | 5,426.99 mi (8,733.90 km) |
