| Red Bluff to Silver Firs (Washington) | 531.35 mi (855.12 km) |
| Red Bluff to Silver Spring (Maryland) | 2,382.82 mi (3,834.78 km) |
| Red Bluff to Silver Springs Shores (Florida) | 2,387.78 mi (3,842.77 km) |
| Red Bluff to Silverdale (Washington) | 518.17 mi (833.91 km) |
| Red Bluff to Silverton (Oregon) | 334.81 mi (538.83 km) |
| Red Bluff to Simi Valley (California) | 451.01 mi (725.83 km) |
| Red Bluff to Simpsonville (South Carolina) | 2,206.27 mi (3,550.64 km) |
| Red Bluff to Sioux City (Iowa) | 1,345.44 mi (2,165.27 km) |
| Red Bluff to Sioux Falls (South Dakota) | 1,327.81 mi (2,136.90 km) |
| Red Bluff to Skokie (Illinois) | 1,788.64 mi (2,878.54 km) |
| Red Bluff to Sleepy Hollow (New York) | 2,503.76 mi (4,029.41 km) |
| Red Bluff to Slidell (Louisiana) | 1,941.89 mi (3,125.18 km) |
| Red Bluff to Smithfield (North Carolina) | 2,391.93 mi (3,849.43 km) |
| Red Bluff to Smithfield (Utah) | 554.67 mi (892.66 km) |
| Red Bluff to Smithville (Missouri) | 1,464.05 mi (2,356.15 km) |
