Final Fantasy games are known for being pretty long and the Final Fantasy 16 length aligns pretty closely with the other games in the series.
How Long Is Final Fantasy 16? - IGN
Final Fantasy XVI - How to Get S Rank Consistently in Arcade Mode
How long is FF16 and is it open world? Final Fantasy 16 size
How long is Final Fantasy XV?
How long is Final Fantasy XVI: Echoes of the Fallen?
How long is Final Fantasy 16 - length and time to beat
Final Fantasy 16: How Long Does it Take to Beat Echoes of the Fallen? (FFXVI DLC Length)
Final Fantasy 16 length – how long to beat the game
How Long Is Final Fantasy 16?