| Walnut Creek to Secaucus (New Jersey) | 2,539.20 mi (4,086.45 km) |
| Walnut Creek to Security-Widefield (Colorado) | 939.53 mi (1,512.03 km) |
| Walnut Creek to Sedalia (Missouri) | 1,556.39 mi (2,504.77 km) |
| Walnut Creek to Sedro-Woolley (Washington) | 733.06 mi (1,179.75 km) |
| Walnut Creek to Seguin (Texas) | 1,491.97 mi (2,401.09 km) |
| Walnut Creek to Selden (New York) | 2,590.10 mi (4,168.37 km) |
| Walnut Creek to Selma (Alabama) | 2,001.29 mi (3,220.77 km) |
| Walnut Creek to Selma (California) | 162.04 mi (260.77 km) |
| Walnut Creek to Selma (Texas) | 1,473.91 mi (2,372.03 km) |
| Walnut Creek to Seminole (Florida) | 2,362.32 mi (3,801.79 km) |
| Walnut Creek to Seven Hills (Ohio) | 2,141.64 mi (3,446.64 km) |
| Walnut Creek to Seven Oaks (South Carolina) | 2,283.91 mi (3,675.60 km) |
| Walnut Creek to Severn (Maryland) | 2,426.90 mi (3,905.73 km) |
| Walnut Creek to Severna Park (Maryland) | 2,434.28 mi (3,917.60 km) |
| Walnut Creek to Sevierville (Tennessee) | 2,115.34 mi (3,404.31 km) |
