| Middle Island to Dover (New Hampshire) | 191.05 mi (307.46 km) |
| Middle Island to Dover (New Jersey) | 84.32 mi (135.70 km) |
| Middle Island to Dover (Ohio) | 447.53 mi (720.23 km) |
| Middle Island to Downers Grove (Illinois) | 783.36 mi (1,260.70 km) |
| Middle Island to Downey (California) | 2,497.51 mi (4,019.35 km) |
| Middle Island to Dranesville (Virginia) | 268.24 mi (431.69 km) |
| Middle Island to Draper (Utah) | 2,021.84 mi (3,253.83 km) |
| Middle Island to Drexel Heights (Arizona) | 2,181.42 mi (3,510.66 km) |
| Middle Island to Drexel Hill (Pennsylvania) | 139.90 mi (225.15 km) |
| Middle Island to Duarte (California) | 2,481.71 mi (3,993.93 km) |
| Middle Island to Dublin (California) | 2,592.23 mi (4,171.80 km) |
| Middle Island to Dublin (Georgia) | 798.02 mi (1,284.29 km) |
| Middle Island to Dublin (Ohio) | 538.26 mi (866.25 km) |
| Middle Island to Dubuque (Iowa) | 921.42 mi (1,482.89 km) |
| Middle Island to Duluth (Georgia) | 775.90 mi (1,248.68 km) |
