Premier Annastacia Palaszczuk says the cases were picked up after 8378 tests in the past 24 hours to 6.30am on Tuesday.
She says both drivers have stayed at their homes, in the Somerset region and the Sunshine Coast, while not working and only visited a few venues in transit in southern Queensland.
Victoria has recorded 50 new locally-acquired COVID-19 cases and guests at an illegal, virus-spreading party have been fined $305,312.
The health department on Tuesday confirmed 40 of the new cases were linked to known outbreaks, while the source of the remaining 10 infections are under investigation.
Thirty-nine cases were infectious in the community and not isolating.
It brings the total number of active cases in the state to 522.
NSW has recorded 753 new COVID-19 cases as it breaks through a major barrier - six million vaccinations - and promises to announce "at least" one freedom for twice-jabbed residents by week's end.
The new daily total is down on the past three days, which were all above 810 cases.
Most new cases were in western and southwestern Sydney (516) while inner Sydney also delivered 73 fresh infections.
Of the new cases, 80 per cent have an unknown isolation status and 82 per cent remain are yet to be linked to a known cluster.