| Washington Court House to Darby (Pennsylvania) | 434.63 mi (699.47 km) |
| Washington Court House to Dardenne Prairie (Missouri) | 394.96 mi (635.62 km) |
| Washington Court House to Darien (Illinois) | 283.23 mi (455.81 km) |
| Washington Court House to Davenport (Iowa) | 401.64 mi (646.38 km) |
| Washington Court House to Davidson (North Carolina) | 314.32 mi (505.85 km) |
| Washington Court House to Davie (Florida) | 947.48 mi (1,524.82 km) |
| Washington Court House to Davis (California) | 2,041.14 mi (3,284.89 km) |
| Washington Court House to Dayton (Nevada) | 1,916.35 mi (3,084.07 km) |
| Washington Court House to Dayton (Ohio) | 44.36 mi (71.39 km) |
| Washington Court House to Daytona Beach (Florida) | 726.50 mi (1,169.19 km) |
| Washington Court House to De Pere (Wisconsin) | 413.75 mi (665.87 km) |
| Washington Court House to De Witt (New York) | 451.06 mi (725.90 km) |
| Washington Court House to Dearborn (Michigan) | 192.03 mi (309.05 km) |
| Washington Court House to Dearborn Heights (Michigan) | 192.12 mi (309.19 km) |
| Washington Court House to DeBary (Florida) | 745.98 mi (1,200.54 km) |
