| Zachary to Harrison (Ohio) | 694.49 mi (1,117.68 km) |
| Zachary to Harrison (Wisconsin) | 947.77 mi (1,525.29 km) |
| Zachary to Harrisonburg (Virginia) | 880.38 mi (1,416.83 km) |
| Zachary to Hartford (Connecticut) | 1,279.73 mi (2,059.52 km) |
| Zachary to Hartford (Wisconsin) | 887.84 mi (1,428.84 km) |
| Zachary to Hartselle (Alabama) | 358.44 mi (576.85 km) |
| Zachary to Hartsville (Tennessee) | 489.49 mi (787.75 km) |
| Zachary to Harvey (Illinois) | 780.89 mi (1,256.72 km) |
| Zachary to Harvey (Louisiana) | 84.63 mi (136.20 km) |
| Zachary to Hasbrouck Heights (New Jersey) | 1,185.69 mi (1,908.19 km) |
| Zachary to Haslett (Michigan) | 914.55 mi (1,471.82 km) |
| Zachary to Hastings (Minnesota) | 976.29 mi (1,571.19 km) |
| Zachary to Hastings (Nebraska) | 796.54 mi (1,281.91 km) |
| Zachary to Hattiesburg (Mississippi) | 118.05 mi (189.98 km) |
| Zachary to Hauppauge (New York) | 1,223.28 mi (1,968.68 km) |
