| National City to Sanford (Maine) | 2,592.60 mi (4,172.39 km) |
| National City to Sanford (North Carolina) | 2,165.68 mi (3,485.33 km) |
| National City to Sanger (California) | 311.73 mi (501.67 km) |
| National City to Santa Ana (California) | 86.78 mi (139.66 km) |
| National City to Santa Barbara (California) | 193.98 mi (312.19 km) |
| National City to Santa Clara (California) | 425.72 mi (685.12 km) |
| National City to Santa Clara (Oregon) | 855.37 mi (1,376.58 km) |
| National City to Santa Clarita (California) | 145.38 mi (233.97 km) |
| National City to Santa Cruz (California) | 408.79 mi (657.89 km) |
| National City to Santa Fe (New Mexico) | 667.94 mi (1,074.94 km) |
| National City to Santa Fe (Texas) | 1,319.50 mi (2,123.52 km) |
| National City to Santa Fe Springs (California) | 103.78 mi (167.01 km) |
| National City to Santa Maria (California) | 247.83 mi (398.85 km) |
| National City to Santa Monica (California) | 123.18 mi (198.24 km) |
| National City to Santa Paula (California) | 162.67 mi (261.80 km) |
