| Delaware to Hicksville (New York) | 502.38 mi (808.51 km) |
| Delaware to Hidalgo (Texas) | 1,310.92 mi (2,109.72 km) |
| Delaware to High Point (North Carolina) | 340.60 mi (548.15 km) |
| Delaware to Highland (California) | 1,911.61 mi (3,076.43 km) |
| Delaware to Highland (Illinois) | 367.45 mi (591.36 km) |
| Delaware to Highland (Indiana) | 244.97 mi (394.24 km) |
| Delaware to Highland (Utah) | 1,505.53 mi (2,422.92 km) |
| Delaware to Highland City (Florida) | 854.07 mi (1,374.50 km) |
| Delaware to Highland Park (Illinois) | 278.77 mi (448.64 km) |
| Delaware to Highland Park (New Jersey) | 455.03 mi (732.30 km) |
| Delaware to Highland Springs (Virginia) | 361.92 mi (582.45 km) |
| Delaware to Highland Village (Texas) | 919.02 mi (1,479.02 km) |
| Delaware to Highlands Ranch (Colorado) | 1,158.61 mi (1,864.60 km) |
| Delaware to Hillcrest (California) | 1,973.52 mi (3,176.07 km) |
| Delaware to Hillcrest Heights (Maryland) | 340.40 mi (547.83 km) |
