    Sentence 1: Where does the Rhine end?    Sentence 2: The river length is  sig  natural course due to number of         icantly shortened From the river's    canalisation projects completed in the  19th and 20th century.[note 7] The “total  length of the Rhi  Lake Constance ant    "to the inclusion of           the Alpine Rhine is  more difficult to measure objectively; it  was cited as 1,232 kilometres (766 miles) by  the Dutch Rijkswaterstaat in 2010.[note 1]