| McKinleyville to Silver Firs (Washington) | 487.18 mi (784.04 km) |
| McKinleyville to Silver Spring (Maryland) | 2,465.27 mi (3,967.46 km) |
| McKinleyville to Silver Springs Shores (Florida) | 2,489.50 mi (4,006.46 km) |
| McKinleyville to Silverdale (Washington) | 469.27 mi (755.21 km) |
| McKinleyville to Silverton (Oregon) | 287.77 mi (463.12 km) |
| McKinleyville to Simi Valley (California) | 546.09 mi (878.85 km) |
| McKinleyville to Simpsonville (South Carolina) | 2,300.07 mi (3,701.60 km) |
| McKinleyville to Sioux City (Iowa) | 1,425.89 mi (2,294.75 km) |
| McKinleyville to Sioux Falls (South Dakota) | 1,404.12 mi (2,259.72 km) |
| McKinleyville to Skokie (Illinois) | 1,868.32 mi (3,006.77 km) |
| McKinleyville to Sleepy Hollow (New York) | 2,580.03 mi (4,152.15 km) |
| McKinleyville to Slidell (Louisiana) | 2,046.68 mi (3,293.81 km) |
| McKinleyville to Smithfield (North Carolina) | 2,482.00 mi (3,994.39 km) |
| McKinleyville to Smithfield (Utah) | 637.84 mi (1,026.50 km) |
| McKinleyville to Smithville (Missouri) | 1,554.38 mi (2,501.53 km) |
