RPM Linux archives are of special format that is supported by AnyToISO. It makes is possible to extract them or convert to ISO in a very straightforward way:

Available for both Windows and Mac

RPM file is very widely used today in popular linux distributions: Red Hat, Fedora and others. It supports GZIP, BZIP, XZ and LZMA compression algorithms (all supported by AnyToISO). Download AnyToISO for Windows or Mac to extract RPM or Convert RPM to ISO