| East Islip to Delaware (Ohio) | 520.04 mi (836.92 km) |
| East Islip to Delhi (California) | 2,531.39 mi (4,073.88 km) |
| East Islip to Delray Beach (Florida) | 1,062.14 mi (1,709.34 km) |
| East Islip to Deltona (Florida) | 934.05 mi (1,503.21 km) |
| East Islip to Deming (New Mexico) | 1,992.49 mi (3,206.60 km) |
| East Islip to Denison (Texas) | 1,368.45 mi (2,202.30 km) |
| East Islip to Dent (Ohio) | 616.34 mi (991.90 km) |
| East Islip to Denton (Texas) | 1,414.79 mi (2,276.88 km) |
| East Islip to Dentsville (South Carolina) | 626.30 mi (1,007.93 km) |
| East Islip to Denver (Colorado) | 1,663.48 mi (2,677.11 km) |
| East Islip to Depew (New York) | 321.67 mi (517.67 km) |
| East Islip to Derby (Connecticut) | 41.86 mi (67.37 km) |
| East Islip to Derby (Kansas) | 1,303.97 mi (2,098.54 km) |
| East Islip to Des Moines (Iowa) | 1,061.71 mi (1,708.66 km) |
| East Islip to Des Moines (Washington) | 2,440.54 mi (3,927.68 km) |
