| Rating | Solver | Clue |
|---|---|---|
| LENGTHIEST | Longest | |
| GLOOMIEST | Longest | |
| YANGTZE | Longest Asian river | |
| LOA | Chile's longest river | |
| LENGTH | Objects longest dimensions | |
| MENZIES | Australia’s longest-serving PM | |
| NILE | World’s longest river | |
| LOIRE | Longest French river | |
| RHEIN | Germany's longest river | |
| RHINE | Germany's longest river | |
| SHANNON | Ireland's longest river | |
| ANDES | World's longest mountain chain | |
| SEVERN | Great Britain’s longest river | |
| ELDEST | Oldest; longest in duration. | |
| SPACEBAR | Opening taproom with longest key | |
| PADRE ISLAND, TEXAS | Name the world’s longest barrier island. | |
| MOUSETRAP | World’s longest running play; The ... | |
| OUTLAST | Hang on longest after moving to Tulsa | |
| JOINTER | The longest plane used by a joiner. | |
| CANADA AND THE US | The longest international border is between which two countries? | |
| LENGEST | Longer; longest; -- obsolete compar. and superl. of long. | |
| MAMMOTH CAVE | What is the longest known cave system in the world? | |
| KING COBRA | At up to 5.85m, what is the world’s longest venomous snake? | |
| BIRLING | In which sport do two people try to balance the longest on a spinning log? | |
| PIN-TAILED | Having a tapered tail, with the middle feathers longest; -- said of birds. | |