Throw Anything
From Compendium of Worldly Lore
Needs review
Source: Complete Warrior
Description: In your hands, any weapon becomes a deadly ranged weapon.
Prerequisites: Base Attack Bonus +2, DEX 15, Proficiency with Weapon
You can throw a melee weapon you are proficient with as if it were a ranged weapon. The range increment of weapons used in conjunction with this feat is 10 feet.
Normal
You can't throw a melee weapon without taking a -4 penalty unless it has a range increment (such as a hand axe or a dagger).