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On the basis of a new photometric analysis of the Local Group dwarf irregulargalaxy NCG 6822 based on observations obtained with the Advanced Camera forSurveys onboard the Hubble Space Telescope, we have obtained a new estimate ofthe extinction of two fields located in the southeast region of the galaxy.Because of significant differences in the distance estimates to NGC 6822available in literature, we decided to provide an independent determination ofthe distance to this galaxy based on an updated and self-consistent theoreticalcalibration of the tip of the red giant branch brightness. As a result we newlydetermined the distance to NGC 6822 to be equal to ${\rm(m-M)}_0=23.54\pm0.05$, and compared our measurement with the most recent determinations of thisdistance.