| National City to Hickory Hills (Illinois) | 1,717.96 mi (2,764.80 km) |
| National City to Hicksville (New York) | 2,451.17 mi (3,944.77 km) |
| National City to Hidalgo (Texas) | 1,219.72 mi (1,962.95 km) |
| National City to High Point (North Carolina) | 2,116.84 mi (3,406.72 km) |
| National City to Highland (California) | 99.98 mi (160.90 km) |
| National City to Highland (Illinois) | 1,588.03 mi (2,555.69 km) |
| National City to Highland (Indiana) | 1,734.24 mi (2,790.98 km) |
| National City to Highland (Utah) | 611.47 mi (984.07 km) |
| National City to Highland City (Florida) | 2,115.97 mi (3,405.33 km) |
| National City to Highland Park (Illinois) | 1,725.56 mi (2,777.02 km) |
| National City to Highland Park (New Jersey) | 2,404.08 mi (3,869.00 km) |
| National City to Highland Springs (Virginia) | 2,256.20 mi (3,631.00 km) |
| National City to Highland Village (Texas) | 1,161.28 mi (1,868.89 km) |
| National City to Highlands Ranch (Colorado) | 825.86 mi (1,329.10 km) |
| National City to Hillcrest (California) | 215.61 mi (346.99 km) |
