| Delaware to Hanahan (South Carolina) | 535.87 mi (862.39 km) |
| Delaware to Hanford (California) | 1,987.85 mi (3,199.14 km) |
| Delaware to Hannibal (Missouri) | 442.00 mi (711.32 km) |
| Delaware to Hanover (Pennsylvania) | 323.72 mi (520.98 km) |
| Delaware to Hanover Park (Illinois) | 288.67 mi (464.58 km) |
| Delaware to Happy Valley (Oregon) | 2,007.89 mi (3,231.38 km) |
| Delaware to Harker Heights (Texas) | 1,034.63 mi (1,665.08 km) |
| Delaware to Harlingen (Texas) | 1,285.67 mi (2,069.09 km) |
| Delaware to Harper Woods (Michigan) | 149.01 mi (239.81 km) |
| Delaware to Harrisburg (North Carolina) | 368.17 mi (592.51 km) |
| Delaware to Harrisburg (Pennsylvania) | 326.20 mi (524.97 km) |
| Delaware to Harrison (Arkansas) | 611.81 mi (984.62 km) |
| Delaware to Harrison (New Jersey) | 469.47 mi (755.53 km) |
| Delaware to Harrison (New York) | 492.77 mi (793.03 km) |
| Delaware to Harrison (Ohio) | 115.34 mi (185.62 km) |
