There is a total of 21145 clues beginning with lo
- Longest bone in the body
- Longest bone in the human body
- Longest book in the Bible
- Longest book in the Book of Mormon
- Longest book in the New Testament
- Longest book of the Bible
- Longest book of the Book of Mormon
- Longest Canadian waterway
- Longest Chinese dynasty (var)
- Longest common word in the English language that has its letters in reverse alphabetical order
- Longest constellation
- Longest continental mountain range
- Longest continuous corporate partner of the Olympic Games
- Longest continuous sponsor of the Olympics (since 1928)
- Longest division of geologic time
- Longest division of geological time
- Longest division of geological time (Var)
- Longest division of time, in geology
- Longest English one-syllable word
- Longest English word with just one vowel
- Longest entry in the "OED"
- Longest European river
- Longest flower?
- Longest forearm bone
- Longest French river
- Longest human bone
- Longest human bones
- Longest human nerve
- Longest key
- Longest keyboard key
- Longest keys on keyboards
- Longest lasting
- Longest line within a circle
- Longest modern note
- Longest mountain range
- Longest muscle in human body
- Longest NASCAR track
- Longest non-Russian river in Europe
- Longest north-south highway in America
- Longest note?
- Longest number when spelled out in words that has no repeated letters
- Longest of Himalayan rivers
- Longest of long odds
- Longest of the Finger Lakes
- Longest of the Finger Lakes
- Longest of the Florida Keys
- Longest parts of the alimentary canal
- Longest possible chord
- Longest possible sentence
- Longest reigning Brit monarch
- Longest reptile in the longest river?
- Longest reptile in the world
- Longest river
- Longest river contained entirely within Spain
- Longest river entirely in Spain
- Longest river entirely in Spain
- Longest river entirely in Switzerland
- Longest river entirely in Washington
- Longest river entirely within a single country
- Longest river entirely within Spain
- Longest river entirely within Spanish borders
- Longest river entirely within Switzerland
- Longest river fully inside Spain
- Longest river in Africa
- Longest river in Britain
- Longest river in central Italy
- Longest river in Deutschland
- Longest river in Europe
- Longest river in France
- Longest river in France
- Longest river in Great Britain
- Longest river in Iberian Peninsula
- Longest river in N E
- Longest river in Scotland
- Longest river in Spain
- Longest river in Switzerland
- Longest river in Texas
- Longest river in the U S
- Longest river in the world
- Longest river of Asia
- Longest river of Denmark
- Longest river of Europe
- Longest river of Europe
- Longest river of France
- Longest river of France
- Longest river of Scotland
- Longest river of Siberia
- Longest river of Spain
- Longest river on the Iberian Peninsula
- Longest river wholly in Spain
- Longest river wholly in Switzerland
- Longest river within Spain
- Longest running jam band mag
- Longest sentence
- Longest sentence to complete
- Longest sentence?
- Longest serving Secretary of State, 1933-'44
- Longest Siberian river
- Longest side of a right triangle
- Longest side of a rt triangle