| Mercer Island to Darby (Pennsylvania) | 2,365.36 mi (3,806.68 km) |
| Mercer Island to Dardenne Prairie (Missouri) | 1,686.05 mi (2,713.43 km) |
| Mercer Island to Darien (Illinois) | 1,715.72 mi (2,761.19 km) |
| Mercer Island to Davenport (Iowa) | 1,599.13 mi (2,573.55 km) |
| Mercer Island to Davidson (North Carolina) | 2,266.69 mi (3,647.89 km) |
| Mercer Island to Davie (Florida) | 2,706.71 mi (4,356.03 km) |
| Mercer Island to Davis (California) | 623.08 mi (1,002.76 km) |
| Mercer Island to Dayton (Nevada) | 589.25 mi (948.31 km) |
| Mercer Island to Dayton (Ohio) | 1,953.64 mi (3,144.08 km) |
| Mercer Island to Daytona Beach (Florida) | 2,523.08 mi (4,060.50 km) |
| Mercer Island to De Pere (Wisconsin) | 1,640.04 mi (2,639.40 km) |
| Mercer Island to De Witt (New York) | 2,231.19 mi (3,590.75 km) |
| Mercer Island to Dearborn (Michigan) | 1,921.48 mi (3,092.32 km) |
| Mercer Island to Dearborn Heights (Michigan) | 1,918.40 mi (3,087.36 km) |
| Mercer Island to DeBary (Florida) | 2,527.62 mi (4,067.82 km) |
