| National City to Port Chester (New York) | 2,443.43 mi (3,932.32 km) |
| National City to Port Hueneme (California) | 159.47 mi (256.64 km) |
| National City to Port Huron (Michigan) | 2,004.31 mi (3,225.62 km) |
| National City to Port Lavaca (Texas) | 1,246.44 mi (2,005.96 km) |
| National City to Port Neches (Texas) | 1,376.34 mi (2,215.01 km) |
| National City to Port Orange (Florida) | 2,143.45 mi (3,449.55 km) |
| National City to Port Orchard (Washington) | 1,066.67 mi (1,716.64 km) |
| National City to Port Royal (South Carolina) | 2,110.13 mi (3,395.92 km) |
| National City to Port Salerno (Florida) | 2,231.90 mi (3,591.90 km) |
| National City to Port St. John (Florida) | 2,167.57 mi (3,488.36 km) |
| National City to Port St. Lucie (Florida) | 2,217.35 mi (3,568.48 km) |
| National City to Port Washington (New York) | 2,443.15 mi (3,931.86 km) |
| National City to Port Washington (Wisconsin) | 1,742.00 mi (2,803.48 km) |
| National City to Port Wentworth (Georgia) | 2,083.69 mi (3,353.37 km) |
| National City to Portage (Indiana) | 1,748.89 mi (2,814.57 km) |
