| East Islip to Jacksonville (Texas) | 1,364.31 mi (2,195.65 km) |
| East Islip to Jacksonville Beach (Florida) | 856.21 mi (1,377.94 km) |
| East Islip to James Island (South Carolina) | 666.30 mi (1,072.30 km) |
| East Islip to Jamestown (New York) | 327.42 mi (526.94 km) |
| East Islip to Jamestown (North Dakota) | 1,334.42 mi (2,147.54 km) |
| East Islip to Janesville (Wisconsin) | 826.27 mi (1,329.75 km) |
| East Islip to Jasmine Estates (Florida) | 1,013.75 mi (1,631.48 km) |
| East Islip to Jasper (Alabama) | 906.62 mi (1,459.06 km) |
| East Islip to Jasper (Indiana) | 749.28 mi (1,205.85 km) |
| East Islip to Jefferson (Georgia) | 729.68 mi (1,174.31 km) |
| East Islip to Jefferson (Louisiana) | 1,207.79 mi (1,943.75 km) |
| East Islip to Jefferson City (Missouri) | 1,019.13 mi (1,640.14 km) |
| East Islip to Jefferson Hills (Pennsylvania) | 355.55 mi (572.21 km) |
| East Islip to Jefferson Valley-Yorktown (New York) | 51.95 mi (83.61 km) |
| East Islip to Jeffersontown (Kentucky) | 682.45 mi (1,098.29 km) |
