What is referred to by '254 centimeters'?

Based on the clue '25 of the title characters poems form the last par...', what is the answer? What is associated with: 25 years after breaking up this band had a no 1 album late in 1995? Based on the clue '25 years after the lost weekend he played ryan one...', what is the answer? Based on the clue '250 miles long the lambert this empties a large po...', what is the answer? Based on the clue '26 miles east of winston salem this north carolina...', what is the answer? What is associated with: 26 nations united to draw up a jan 1 1942 declaration that led the way for the creation of thi… Based on the clue '26 years after writing it for the stage he won osc...', what is the answer? What is associated with: 260 seamen perished when this battleship was sunk by an explosion in 1898?