| Howard to Des Plaines (Illinois) | 175.47 mi (282.40 km) |
| Howard to Desert Hot Springs (California) | 1,677.81 mi (2,700.18 km) |
| Howard to DeSoto (Texas) | 951.82 mi (1,531.81 km) |
| Howard to Destin (Florida) | 983.39 mi (1,582.62 km) |
| Howard to Destrehan (Louisiana) | 1,016.90 mi (1,636.54 km) |
| Howard to Detroit (Michigan) | 292.21 mi (470.27 km) |
| Howard to Diamond Bar (California) | 1,736.54 mi (2,794.69 km) |
| Howard to Diamond Springs (California) | 1,726.72 mi (2,778.88 km) |
| Howard to Dickinson (North Dakota) | 725.70 mi (1,167.90 km) |
| Howard to Dickinson (Texas) | 1,111.78 mi (1,789.23 km) |
| Howard to Dickson (Tennessee) | 588.99 mi (947.88 km) |
| Howard to Difficult Run (Virginia) | 677.58 mi (1,090.46 km) |
| Howard to Dinuba (California) | 1,721.97 mi (2,771.24 km) |
| Howard to Discovery Bay (California) | 1,786.96 mi (2,875.84 km) |
| Howard to Dix Hills (New York) | 791.96 mi (1,274.53 km) |
