Note: Australia is generally considered to be a continental landmass, rather than an island. If however one does count Australia among the islands it, not Greenland, would be the largest in the world (unless one also considered Antarctica an island).
... the F-22 capable of it.
According to EADS, the maximum speed possible without reheat is Mach 1.5 (although this drops to Mach 1.2 with an air-to-air weapons load). ...