How far can a battleships 16 Inch gun shoot?

I'm not sure of the exact range but some US battleships could fire a shell 23 miles.

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The USS Iowa had a main battery of Mk 7 16"/50 caliber guns- the barrels were 50 times long as wide. They could shoot different shells, one as heavy as 2700 lbs. The max range was given as 41,662 yards- or a bit over 23 miles.