| Mercer Island to Des Plaines (Illinois) | 1,711.06 mi (2,753.69 km) |
| Mercer Island to Desert Hot Springs (California) | 985.74 mi (1,586.40 km) |
| Mercer Island to DeSoto (Texas) | 1,680.34 mi (2,704.25 km) |
| Mercer Island to Destin (Florida) | 2,228.52 mi (3,586.46 km) |
| Mercer Island to Destrehan (Louisiana) | 2,080.28 mi (3,347.89 km) |
| Mercer Island to Detroit (Michigan) | 1,924.60 mi (3,097.35 km) |
| Mercer Island to Diamond Bar (California) | 965.01 mi (1,553.03 km) |
| Mercer Island to Diamond Springs (California) | 617.12 mi (993.16 km) |
| Mercer Island to Dickinson (North Dakota) | 910.89 mi (1,465.93 km) |
| Mercer Island to Dickinson (Texas) | 1,912.04 mi (3,077.14 km) |
| Mercer Island to Dickson (Tennessee) | 1,942.51 mi (3,126.17 km) |
| Mercer Island to Difficult Run (Virginia) | 2,302.77 mi (3,705.96 km) |
| Mercer Island to Dinuba (California) | 775.07 mi (1,247.35 km) |
| Mercer Island to Discovery Bay (California) | 668.19 mi (1,075.35 km) |
| Mercer Island to Dix Hills (New York) | 2,425.63 mi (3,903.67 km) |
