Crossword clues for Longest river in the world 4 lettersAnswerClueNILEWorld's longest riverNILEThe world's longest riverNILEOne of the world's longest rivers.NILELongest river in the worldNILEThe longest river in the worldLENAWorld's seventh-longest riverLENASecond-longest (after the Amazon) undammed river in the worldSHADEOFGREENWorld's longest riverCAIROCity on the world's longest riverNILEBASINDrainage area of the world's longest riverYANGTZEWorld's third longest riverAMAZONWorld's second-longest river