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Doesn't look like there is a range listed.
As a standard action, you can use Bluff to feint in combat, enabling you to treat your opponent as flat-footed for your next attack against it before the end of your next turn. The DC of this check is equal to either 10 + your opponent’s total Sense Motive skill bonus, or 15 + 1-1/2 × the opponent’s CR, whichever is greater. You can’t feint against a creature that doesn’t have an Intelligence score, and you cannot take 10 or take 20 on a Bluff check to feint.
The list of Actions in Combat doesn't describe a limitation on the range of Feint, either.
Clever Feint does has a range of 60 feet, although none of the Feint-related feats do.
And I couldn't find this addressed in the FAQ or 3rd printing Errata.