Nights 1-5 (counting the Custom Night): 60 minutes in total.
Small section that occurs during nights 1-4: 60 seconds in total.
Quick decisive section after one of the endings: 30 seconds in total.
All Cutscenes: 30-45 minutes in total.
All endings: Ranging from 10-20 minutes total.
Phone calls during and after night: 10-15 minutes total.
"Free-Roam" Sections: Each one can vary from 5-15 minutes.
Question and Answer Sections: 20-25 minutes total.
??? Sections: 1 minute for each night.
As you can see, the game can take 3-4 hours to complete.
All this without counting the Extras and Easter Eggs.
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