| The Dalles to Siloam Springs (Arkansas) | 1,527.02 mi (2,457.49 km) |
| The Dalles to Silver Firs (Washington) | 162.62 mi (261.70 km) |
| The Dalles to Silver Spring (Maryland) | 2,272.45 mi (3,657.16 km) |
| The Dalles to Silver Springs Shores (Florida) | 2,401.86 mi (3,865.42 km) |
| The Dalles to Silverdale (Washington) | 159.21 mi (256.22 km) |
| The Dalles to Silverton (Oregon) | 88.14 mi (141.86 km) |
| The Dalles to Simi Valley (California) | 793.87 mi (1,277.61 km) |
| The Dalles to Simpsonville (South Carolina) | 2,163.26 mi (3,481.42 km) |
| The Dalles to Sioux City (Iowa) | 1,244.56 mi (2,002.92 km) |
| The Dalles to Sioux Falls (South Dakota) | 1,207.13 mi (1,942.69 km) |
| The Dalles to Skokie (Illinois) | 1,672.86 mi (2,692.21 km) |
| The Dalles to Sleepy Hollow (New York) | 2,362.51 mi (3,802.10 km) |
| The Dalles to Slidell (Louisiana) | 1,992.27 mi (3,206.25 km) |
| The Dalles to Smithfield (North Carolina) | 2,323.26 mi (3,738.93 km) |
| The Dalles to Smithfield (Utah) | 534.39 mi (860.03 km) |
