| Canals to Security-Widefield (Colorado) | 5,236.35 mi (8,427.10 km) |
| Canals to Sedalia (Missouri) | 4,738.62 mi (7,626.07 km) |
| Canals to Sedro-Woolley (Washington) | 5,418.27 mi (8,719.87 km) |
| Canals to Seguin (Texas) | 5,325.68 mi (8,570.85 km) |
| Canals to Selden (New York) | 3,726.83 mi (5,997.75 km) |
| Canals to Selma (Alabama) | 4,684.96 mi (7,539.72 km) |
| Canals to Selma (California) | 5,934.64 mi (9,550.88 km) |
| Canals to Selma (Texas) | 5,342.20 mi (8,597.43 km) |
| Canals to Seminole (Florida) | 4,645.26 mi (7,475.82 km) |
| Canals to Seven Hills (Ohio) | 4,117.91 mi (6,627.13 km) |
| Canals to Seven Oaks (South Carolina) | 4,336.22 mi (6,978.47 km) |
| Canals to Severn (Maryland) | 3,952.43 mi (6,360.82 km) |
| Canals to Severna Park (Maryland) | 3,947.79 mi (6,353.36 km) |
| Canals to Sevierville (Tennessee) | 4,390.27 mi (7,065.46 km) |
| Canals to Seymour (Indiana) | 4,393.82 mi (7,071.17 km) |
