| Ironton to Darby (Pennsylvania) | 408.27 mi (657.05 km) |
| Ironton to Dardenne Prairie (Missouri) | 434.76 mi (699.69 km) |
| Ironton to Darien (Illinois) | 357.32 mi (575.06 km) |
| Ironton to Davenport (Iowa) | 468.23 mi (753.55 km) |
| Ironton to Davidson (North Carolina) | 234.11 mi (376.76 km) |
| Ironton to Davie (Florida) | 871.60 mi (1,402.71 km) |
| Ironton to Davis (California) | 2,094.47 mi (3,370.72 km) |
| Ironton to Dayton (Nevada) | 1,970.38 mi (3,171.03 km) |
| Ironton to Dayton (Ohio) | 118.70 mi (191.03 km) |
| Ironton to Daytona Beach (Florida) | 651.14 mi (1,047.91 km) |
| Ironton to De Pere (Wisconsin) | 493.95 mi (794.93 km) |
| Ironton to De Witt (New York) | 464.12 mi (746.93 km) |
| Ironton to Dearborn (Michigan) | 262.71 mi (422.79 km) |
| Ironton to Dearborn Heights (Michigan) | 263.35 mi (423.81 km) |
| Ironton to DeBary (Florida) | 671.31 mi (1,080.36 km) |
