| Riverdale to Hazelwood (Missouri) | 491.44 mi (790.90 km) |
| Riverdale to Hazleton (Pennsylvania) | 689.08 mi (1,108.96 km) |
| Riverdale to Healdsburg (California) | 2,159.26 mi (3,474.99 km) |
| Riverdale to Heath (Ohio) | 459.42 mi (739.37 km) |
| Riverdale to Heber (Utah) | 1,556.75 mi (2,505.34 km) |
| Riverdale to Helena (Alabama) | 143.67 mi (231.22 km) |
| Riverdale to Helena (Montana) | 1,701.56 mi (2,738.39 km) |
| Riverdale to Hemet (California) | 1,866.38 mi (3,003.65 km) |
| Riverdale to Henderson (Kentucky) | 344.77 mi (554.85 km) |
| Riverdale to Henderson (Nevada) | 1,739.00 mi (2,798.66 km) |
| Riverdale to Henderson (North Carolina) | 389.37 mi (626.64 km) |
| Riverdale to Henderson (Texas) | 610.27 mi (982.14 km) |
| Riverdale to Hendersonville (North Carolina) | 164.86 mi (265.32 km) |
| Riverdale to Hendersonville (Tennessee) | 226.44 mi (364.42 km) |
| Riverdale to Hercules (California) | 2,128.58 mi (3,425.62 km) |
