| Mercer Island to Duluth (Minnesota) | 1,405.65 mi (2,262.18 km) |
| Mercer Island to Dumas (Texas) | 1,314.85 mi (2,116.04 km) |
| Mercer Island to Dumont (New Jersey) | 2,390.78 mi (3,847.60 km) |
| Mercer Island to Duncan (Oklahoma) | 1,543.10 mi (2,483.39 km) |
| Mercer Island to Duncanville (Texas) | 1,676.02 mi (2,697.30 km) |
| Mercer Island to Dundalk (Maryland) | 2,329.87 mi (3,749.57 km) |
| Mercer Island to Dunedin (Florida) | 2,502.31 mi (4,027.08 km) |
| Mercer Island to Dunkirk (New York) | 2,096.86 mi (3,374.56 km) |
| Mercer Island to Dunmore (Pennsylvania) | 2,301.24 mi (3,703.49 km) |
| Mercer Island to Dunwoody (Georgia) | 2,168.56 mi (3,489.96 km) |
| Mercer Island to Durango (Colorado) | 1,017.95 mi (1,638.23 km) |
| Mercer Island to Durant (Oklahoma) | 1,632.74 mi (2,627.63 km) |
| Mercer Island to Durham (North Carolina) | 2,336.77 mi (3,760.67 km) |
| Mercer Island to Dyer (Indiana) | 1,745.13 mi (2,808.52 km) |
| Mercer Island to Dyersburg (Tennessee) | 1,851.60 mi (2,979.87 km) |
