| Riverdale to Hillcrest Heights (Maryland) | 552.01 mi (888.37 km) |
| Riverdale to Hilliard (Ohio) | 452.45 mi (728.15 km) |
| Riverdale to Hillsboro (Oregon) | 2,187.24 mi (3,520.02 km) |
| Riverdale to Hillsborough (California) | 2,136.21 mi (3,437.91 km) |
| Riverdale to Hillsborough (New Jersey) | 720.12 mi (1,158.92 km) |
| Riverdale to Hilo (Hawaii) | 4,388.83 mi (7,063.14 km) |
| Riverdale to Hilton Head Island (South Carolina) | 232.64 mi (374.40 km) |
| Riverdale to Hinesville (Georgia) | 202.18 mi (325.37 km) |
| Riverdale to Hinsdale (Illinois) | 600.57 mi (966.53 km) |
| Riverdale to Hobart (Indiana) | 571.15 mi (919.18 km) |
| Riverdale to Hobbs (New Mexico) | 1,084.74 mi (1,745.72 km) |
| Riverdale to Hobe Sound (Florida) | 515.54 mi (829.69 km) |
| Riverdale to Hoboken (New Jersey) | 756.02 mi (1,216.70 km) |
| Riverdale to Hockessin (Delaware) | 646.44 mi (1,040.35 km) |
| Riverdale to Hoffman Estates (Illinois) | 621.53 mi (1,000.25 km) |
