| National City to Saddlebrooke (Arizona) | 362.28 mi (583.04 km) |
| National City to Safety Harbor (Florida) | 2,067.44 mi (3,327.23 km) |
| National City to Saginaw (Michigan) | 1,934.79 mi (3,113.74 km) |
| National City to Saginaw (Texas) | 1,144.89 mi (1,842.52 km) |
| National City to Sahuarita (Arizona) | 361.69 mi (582.08 km) |
| National City to Saks (Alabama) | 1,801.19 mi (2,898.74 km) |
| National City to Salem (Massachusetts) | 2,585.10 mi (4,160.32 km) |
| National City to Salem (Ohio) | 2,068.78 mi (3,329.38 km) |
| National City to Salem (Oregon) | 904.42 mi (1,455.52 km) |
| National City to Salem (Virginia) | 2,107.74 mi (3,392.08 km) |
| National City to Salem Lakes (Wisconsin) | 1,715.27 mi (2,760.46 km) |
| National City to Salida (California) | 414.70 mi (667.39 km) |
| National City to Salina (Kansas) | 1,169.43 mi (1,882.01 km) |
| National City to Salinas (California) | 378.86 mi (609.72 km) |
| National City to Salisbury (Maryland) | 2,347.54 mi (3,778.01 km) |
