| Delaware to Harrison (Wisconsin) | 379.61 mi (610.92 km) |
| Delaware to Harrisonburg (Virginia) | 258.17 mi (415.49 km) |
| Delaware to Hartford (Connecticut) | 550.83 mi (886.48 km) |
| Delaware to Hartford (Wisconsin) | 344.37 mi (554.21 km) |
| Delaware to Hartselle (Alabama) | 456.18 mi (734.15 km) |
| Delaware to Hartsville (Tennessee) | 316.59 mi (509.50 km) |
| Delaware to Harvey (Illinois) | 255.75 mi (411.58 km) |
| Delaware to Harvey (Louisiana) | 819.31 mi (1,318.54 km) |
| Delaware to Hasbrouck Heights (New Jersey) | 473.80 mi (762.51 km) |
| Delaware to Haslett (Michigan) | 183.79 mi (295.79 km) |
| Delaware to Hastings (Minnesota) | 584.64 mi (940.89 km) |
| Delaware to Hastings (Nebraska) | 804.66 mi (1,294.98 km) |
| Delaware to Hattiesburg (Mississippi) | 711.68 mi (1,145.34 km) |
| Delaware to Hauppauge (New York) | 518.84 mi (834.99 km) |
| Delaware to Havelock (North Carolina) | 502.05 mi (807.97 km) |
