| Where Oliver Hazard Perry prevailed | 35 |
| Where Old West criminals get put | 32 |
| Where old trunks may be | 23 |
| Where old thoroughbreds go to | 29 |
| Where Old Man River makes his deposits? | 39 |
| Where Old Man River makes his deposits | 38 |
| Where old LP content may now be found | 37 |
| Where old Irish kings resided | 29 |
| Where Old Glory flies | 21 |
| Where old freight is sold? | 26 |
| Where Old Faithful spouts | 25 |
| Where Old Faithful obliges tourists | 35 |
| Where Olaf I or Olaf II sat | 27 |
| Where oils may be produced | 26 |
| Where oils are produced | 23 |
| Where oil or vinegar may be found | 33 |
| Where oil may often be found | 28 |
| Where oil and vinegar are found | 31 |
| Where Ogden is | 14 |
| Where officers work: abbr. | 26 |
| Where officers may be trained | 29 |
| Where office work accumulates | 29 |
| Where office colleagues meet | 28 |
| Where office clerks work | 24 |
| Where offenders are held | 24 |
| Where Oenone dwelt | 18 |
| Where Oedipus ruled | 19 |
| Where Odessa is: Abbr. | 22 |
| Where odalisques once worked | 28 |
| Where octopi chill? | 19 |
| Where Octavian beat Antony and Cleopatra in 31 B.C. | 51 |
| Where ocelots save money | 24 |
| Where Oceanic Flight 815 originated, on "Lost" | 56 |
| Where ocean meets sky | 21 |
| Where obstetricians meet? | 25 |
| Where oboli were spent | 22 |
| Where Obama was born | 20 |
| Where Obama received his 2009 Nobel Peace Prize | 47 |
| Where oaters take place | 23 |
| Where O.J.'s Mayo and Simpson both went to school | 53 |
| Where O.J. Simpson won a Heisman | 32 |
| Where NYC horseplayers go | 25 |
| Where nudes may be sketched | 27 |
| Where Notre Dame is | 19 |
| Where nothing is wrong | 22 |
| Where nothing is new | 20 |
| Where notes may be kept | 23 |
| Where not-so-close acquaintances may relax | 42 |
| Where not to tread | 18 |
| Where not to throw bouquets | 27 |
| Where not to stand from a strong odor | 37 |
| Where not to go from | 20 |
| Where not to fall | 17 |
| Where not to cry | 16 |
| Where not to be paddleless? | 27 |
| Where not to be led | 19 |
| Where noses are powdered | 24 |
| Where North Shore surfers go | 28 |
| Where Nord, Nord-Est and Nord-Ouest are departments | 51 |
| Where Nor. is | 13 |
| Where Nome is home | 18 |
| Where Nome is | 13 |
| Where noh originated | 20 |
| Where nodding will get you? | 27 |
| Where Nobel Peace Prizes are awarded | 36 |
| Where Noam Chomsky teaches | 26 |
| Where Noah's Ark landed | 27 |
| Where Noah made landfall | 24 |
| Where Noah let the dogs out? | 28 |
| Where Noah landed | 17 |
| Where Noah dropped anchor | 25 |
| Where Noah and company disembarked | 34 |
| Where No. 2 is No. 1 | 20 |
| Where no one loses | 18 |
| Where no one has any business going? | 36 |
| Where no fighting is allowed: abbr. | 35 |
| Where No Doubt is from | 22 |
| Where Nixon went to law school | 30 |
| Where Nixon threw out the first baseball on 4/12/1960 | 53 |
| Where nitpickers walk on a street? | 34 |
| Where Nirvana's "Muddy Banks" were | 48 |
| Where Nina Totenberg reports | 28 |
| Where Nike headquarters is | 26 |
| Where Nigeria is: Abbr. | 23 |
| Where Nicklaus starts | 21 |
| Where Nicklaus got his start | 28 |
| Where Nick Carraway lives | 25 |
| Where Nicholas Nickleby rebelled | 32 |
| Where Niamey is | 15 |
| Where newspaper may be laid down | 32 |
| Where news travels fast? | 24 |
| Where New Yorkers take the Fifth | 32 |
| Where New Yorkers board their pigs? | 35 |
| Where New York's mayor lives | 32 |
| Where New York City's 'Round Table' used to meet | 60 |
| Where new lines are on display | 30 |
| Where New Delhi is | 18 |
| Where new cars are displayed | 28 |
| Where Nero fiddled around? | 26 |
| Where Nero fiddled | 18 |