| Washington Court House to Decatur (Alabama) | 395.22 mi (636.04 km) |
| Washington Court House to Decatur (Georgia) | 401.35 mi (645.91 km) |
| Washington Court House to Decatur (Illinois) | 293.49 mi (472.33 km) |
| Washington Court House to Deer Park (New York) | 540.08 mi (869.17 km) |
| Washington Court House to Deer Park (Texas) | 949.48 mi (1,528.05 km) |
| Washington Court House to Deerfield (Illinois) | 293.86 mi (472.93 km) |
| Washington Court House to Deerfield Beach (Florida) | 933.94 mi (1,503.03 km) |
| Washington Court House to Defiance (Ohio) | 130.15 mi (209.46 km) |
| Washington Court House to DeForest (Wisconsin) | 398.69 mi (641.63 km) |
| Washington Court House to DeKalb (Illinois) | 323.82 mi (521.14 km) |
| Washington Court House to Del Aire (California) | 1,960.76 mi (3,155.53 km) |
| Washington Court House to Del City (Oklahoma) | 817.41 mi (1,315.50 km) |
| Washington Court House to Del Rio (Texas) | 1,213.82 mi (1,953.46 km) |
| Washington Court House to DeLand (Florida) | 736.70 mi (1,185.60 km) |
| Washington Court House to Delano (California) | 1,964.49 mi (3,161.55 km) |
