| Zachary to Hillcrest Heights (Maryland) | 982.29 mi (1,580.84 km) |
| Zachary to Hilliard (Ohio) | 788.36 mi (1,268.74 km) |
| Zachary to Hillsboro (Oregon) | 1,990.45 mi (3,203.33 km) |
| Zachary to Hillsborough (California) | 1,837.70 mi (2,957.49 km) |
| Zachary to Hillsborough (New Jersey) | 1,147.09 mi (1,846.06 km) |
| Zachary to Hilo (Hawaii) | 4,017.15 mi (6,464.97 km) |
| Zachary to Hilton Head Island (South Carolina) | 622.67 mi (1,002.09 km) |
| Zachary to Hinesville (Georgia) | 569.60 mi (916.68 km) |
| Zachary to Hinsdale (Illinois) | 790.13 mi (1,271.60 km) |
| Zachary to Hobart (Indiana) | 780.24 mi (1,255.68 km) |
| Zachary to Hobbs (New Mexico) | 719.09 mi (1,157.27 km) |
| Zachary to Hobe Sound (Florida) | 711.09 mi (1,144.39 km) |
| Zachary to Hoboken (New Jersey) | 1,183.63 mi (1,904.86 km) |
| Zachary to Hockessin (Delaware) | 1,074.72 mi (1,729.59 km) |
| Zachary to Hoffman Estates (Illinois) | 805.17 mi (1,295.80 km) |
