| Howard to Decatur (Alabama) | 693.21 mi (1,115.61 km) |
| Howard to Decatur (Georgia) | 773.13 mi (1,244.23 km) |
| Howard to Decatur (Illinois) | 328.58 mi (528.79 km) |
| Howard to Deer Park (New York) | 793.86 mi (1,277.60 km) |
| Howard to Deer Park (Texas) | 1,097.43 mi (1,766.14 km) |
| Howard to Deerfield (Illinois) | 166.60 mi (268.12 km) |
| Howard to Deerfield Beach (Florida) | 1,337.64 mi (2,152.73 km) |
| Howard to Defiance (Ohio) | 295.22 mi (475.12 km) |
| Howard to DeForest (Wisconsin) | 111.57 mi (179.56 km) |
| Howard to DeKalb (Illinois) | 185.29 mi (298.19 km) |
| Howard to Del Aire (California) | 1,766.08 mi (2,842.23 km) |
| Howard to Del City (Oklahoma) | 800.09 mi (1,287.62 km) |
| Howard to Del Rio (Texas) | 1,261.93 mi (2,030.89 km) |
| Howard to DeLand (Florida) | 1,137.27 mi (1,830.26 km) |
| Howard to Delano (California) | 1,741.72 mi (2,803.04 km) |
