| Uniondale to Johnstown (Pennsylvania) | 280.93 mi (452.11 km) |
| Uniondale to Joliet (Illinois) | 758.74 mi (1,221.08 km) |
| Uniondale to Jonesboro (Arkansas) | 984.57 mi (1,584.51 km) |
| Uniondale to Joplin (Missouri) | 1,149.11 mi (1,849.31 km) |
| Uniondale to Joppatowne (Maryland) | 171.19 mi (275.51 km) |
| Uniondale to Juana Díaz (Puerto Rico) | 1,621.64 mi (2,609.77 km) |
| Uniondale to Junction City (Kansas) | 1,235.09 mi (1,987.68 km) |
| Uniondale to Juneau (Alaska) | 2,856.83 mi (4,597.62 km) |
| Uniondale to Jupiter (Florida) | 1,023.32 mi (1,646.87 km) |
| Uniondale to Jupiter Farms (Florida) | 1,025.39 mi (1,650.20 km) |
| Uniondale to Jurupa Valley (California) | 2,428.07 mi (3,907.60 km) |
| Uniondale to Justice (Illinois) | 742.47 mi (1,194.89 km) |
| Uniondale to Kahului (Hawaii) | 4,927.39 mi (7,929.87 km) |
| Uniondale to Kailua (Hawaii) | 4,970.92 mi (7,999.93 km) |
| Uniondale to Kalamazoo (Michigan) | 629.38 mi (1,012.88 km) |
