| National City to Scottsboro (Alabama) | 1,783.92 mi (2,870.94 km) |
| National City to Scottsdale (Arizona) | 310.72 mi (500.06 km) |
| National City to Scranton (Pennsylvania) | 2,339.79 mi (3,765.53 km) |
| National City to Seabrook (Maryland) | 2,277.66 mi (3,665.54 km) |
| National City to Seabrook (Texas) | 1,320.58 mi (2,125.27 km) |
| National City to Seaford (New York) | 2,452.99 mi (3,947.70 km) |
| National City to Seagoville (Texas) | 1,193.65 mi (1,921.00 km) |
| National City to Seal Beach (California) | 93.93 mi (151.17 km) |
| National City to Searcy (Arkansas) | 1,460.47 mi (2,350.40 km) |
| National City to Seaside (California) | 383.01 mi (616.40 km) |
| National City to SeaTac (Washington) | 1,056.89 mi (1,700.89 km) |
| National City to Seattle (Washington) | 1,068.92 mi (1,720.27 km) |
| National City to Sebastian (Florida) | 2,201.00 mi (3,542.16 km) |
| National City to Sebring (Florida) | 2,151.09 mi (3,461.84 km) |
| National City to Secaucus (New Jersey) | 2,422.82 mi (3,899.16 km) |
