| Walnut Park to Hillcrest Heights (Maryland) | 2,299.27 mi (3,700.32 km) |
| Walnut Park to Hilliard (Ohio) | 1,966.36 mi (3,164.55 km) |
| Walnut Park to Hillsboro (Oregon) | 836.60 mi (1,346.37 km) |
| Walnut Park to Hillsborough (California) | 339.45 mi (546.29 km) |
| Walnut Park to Hillsborough (New Jersey) | 2,413.83 mi (3,884.68 km) |
| Walnut Park to Hilo (Hawaii) | 2,460.57 mi (3,959.91 km) |
| Walnut Park to Hilton Head Island (South Carolina) | 2,160.88 mi (3,477.60 km) |
| Walnut Park to Hinesville (Georgia) | 2,117.76 mi (3,408.20 km) |
| Walnut Park to Hinsdale (Illinois) | 1,727.93 mi (2,780.84 km) |
| Walnut Park to Hobart (Indiana) | 1,758.77 mi (2,830.46 km) |
| Walnut Park to Hobbs (New Mexico) | 872.75 mi (1,404.55 km) |
| Walnut Park to Hobe Sound (Florida) | 2,302.39 mi (3,705.35 km) |
| Walnut Park to Hoboken (New Jersey) | 2,445.51 mi (3,935.66 km) |
| Walnut Park to Hockessin (Delaware) | 2,362.79 mi (3,802.54 km) |
| Walnut Park to Hoffman Estates (Illinois) | 1,719.51 mi (2,767.29 km) |
