| Zachary to Hamtramck (Michigan) | 926.06 mi (1,490.35 km) |
| Zachary to Hanahan (South Carolina) | 673.47 mi (1,083.84 km) |
| Zachary to Hanford (California) | 1,681.02 mi (2,705.34 km) |
| Zachary to Hannibal (Missouri) | 625.12 mi (1,006.03 km) |
| Zachary to Hanover (Pennsylvania) | 1,017.50 mi (1,637.50 km) |
| Zachary to Hanover Park (Illinois) | 799.66 mi (1,286.94 km) |
| Zachary to Happy Valley (Oregon) | 1,968.82 mi (3,168.50 km) |
| Zachary to Harker Heights (Texas) | 385.31 mi (620.09 km) |
| Zachary to Harlingen (Texas) | 502.94 mi (809.41 km) |
| Zachary to Harper Woods (Michigan) | 932.02 mi (1,499.94 km) |
| Zachary to Harrisburg (North Carolina) | 688.27 mi (1,107.67 km) |
| Zachary to Harrisburg (Pennsylvania) | 1,040.01 mi (1,673.73 km) |
| Zachary to Harrison (Arkansas) | 401.63 mi (646.37 km) |
| Zachary to Harrison (New Jersey) | 1,177.93 mi (1,895.70 km) |
| Zachary to Harrison (New York) | 1,207.32 mi (1,943.00 km) |
