| National City to Hazelwood (Missouri) | 1,550.45 mi (2,495.21 km) |
| National City to Hazleton (Pennsylvania) | 2,323.22 mi (3,738.86 km) |
| National City to Healdsburg (California) | 523.43 mi (842.38 km) |
| National City to Heath (Ohio) | 1,981.02 mi (3,188.15 km) |
| National City to Heber (Utah) | 626.97 mi (1,009.02 km) |
| National City to Helena (Alabama) | 1,745.98 mi (2,809.88 km) |
| National City to Helena (Montana) | 999.20 mi (1,608.05 km) |
| National City to Hemet (California) | 74.07 mi (119.21 km) |
| National City to Henderson (Kentucky) | 1,695.96 mi (2,729.38 km) |
| National City to Henderson (Nevada) | 259.45 mi (417.54 km) |
| National City to Henderson (North Carolina) | 2,202.63 mi (3,544.80 km) |
| National City to Henderson (Texas) | 1,298.97 mi (2,090.50 km) |
| National City to Hendersonville (North Carolina) | 1,982.80 mi (3,191.01 km) |
| National City to Hendersonville (Tennessee) | 1,747.73 mi (2,812.69 km) |
| National City to Hercules (California) | 469.61 mi (755.77 km) |
