| Walnut Creek to Siloam Springs (Arkansas) | 1,516.20 mi (2,440.08 km) |
| Walnut Creek to Silver Firs (Washington) | 688.27 mi (1,107.66 km) |
| Walnut Creek to Silver Spring (Maryland) | 2,411.91 mi (3,881.60 km) |
| Walnut Creek to Silver Springs Shores (Florida) | 2,365.11 mi (3,806.28 km) |
| Walnut Creek to Silverdale (Washington) | 675.40 mi (1,086.95 km) |
| Walnut Creek to Silverton (Oregon) | 492.10 mi (791.95 km) |
| Walnut Creek to Simi Valley (California) | 311.21 mi (500.84 km) |
| Walnut Creek to Simpsonville (South Carolina) | 2,208.93 mi (3,554.94 km) |
| Walnut Creek to Sioux City (Iowa) | 1,384.60 mi (2,228.30 km) |
| Walnut Creek to Sioux Falls (South Dakota) | 1,375.25 mi (2,213.25 km) |
| Walnut Creek to Skokie (Illinois) | 1,826.09 mi (2,938.81 km) |
| Walnut Creek to Sleepy Hollow (New York) | 2,544.83 mi (4,095.52 km) |
| Walnut Creek to Slidell (Louisiana) | 1,908.49 mi (3,071.42 km) |
| Walnut Creek to Smithfield (North Carolina) | 2,403.59 mi (3,868.20 km) |
| Walnut Creek to Smithfield (Utah) | 605.39 mi (974.29 km) |
