| Campbell to Silver Firs (Washington) | 731.30 mi (1,176.92 km) |
| Campbell to Silver Spring (Maryland) | 2,419.65 mi (3,894.06 km) |
| Campbell to Silver Springs Shores (Florida) | 2,358.66 mi (3,795.89 km) |
| Campbell to Silverdale (Washington) | 718.56 mi (1,156.41 km) |
| Campbell to Silverton (Oregon) | 535.32 mi (861.51 km) |
| Campbell to Simi Valley (California) | 274.99 mi (442.55 km) |
| Campbell to Simpsonville (South Carolina) | 2,209.61 mi (3,556.03 km) |
| Campbell to Sioux City (Iowa) | 1,396.44 mi (2,247.36 km) |
| Campbell to Sioux Falls (South Dakota) | 1,389.33 mi (2,235.91 km) |
| Campbell to Skokie (Illinois) | 1,836.72 mi (2,955.91 km) |
| Campbell to Sleepy Hollow (New York) | 2,555.75 mi (4,113.08 km) |
| Campbell to Slidell (Louisiana) | 1,899.53 mi (3,057.00 km) |
| Campbell to Smithfield (North Carolina) | 2,406.56 mi (3,872.98 km) |
| Campbell to Smithfield (Utah) | 623.94 mi (1,004.14 km) |
| Campbell to Smithville (Missouri) | 1,485.28 mi (2,390.32 km) |
