| Mercer Island to Dover (New Hampshire) | 2,464.48 mi (3,966.19 km) |
| Mercer Island to Dover (New Jersey) | 2,366.42 mi (3,808.39 km) |
| Mercer Island to Dover (Ohio) | 2,056.07 mi (3,308.92 km) |
| Mercer Island to Downers Grove (Illinois) | 1,712.62 mi (2,756.19 km) |
| Mercer Island to Downey (California) | 965.40 mi (1,553.67 km) |
| Mercer Island to Dranesville (Virginia) | 2,298.51 mi (3,699.09 km) |
| Mercer Island to Draper (Utah) | 708.84 mi (1,140.77 km) |
| Mercer Island to Drexel Heights (Arizona) | 1,216.58 mi (1,957.90 km) |
| Mercer Island to Drexel Hill (Pennsylvania) | 2,362.43 mi (3,801.96 km) |
| Mercer Island to Duarte (California) | 952.45 mi (1,532.81 km) |
| Mercer Island to Dublin (California) | 680.78 mi (1,095.61 km) |
| Mercer Island to Dublin (Georgia) | 2,291.36 mi (3,687.58 km) |
| Mercer Island to Dublin (Ohio) | 1,991.95 mi (3,205.74 km) |
| Mercer Island to Dubuque (Iowa) | 1,567.03 mi (2,521.89 km) |
| Mercer Island to Duluth (Georgia) | 2,173.35 mi (3,497.67 km) |
