| Longtime NPR host Conan | 23 |
| Longtime Ohio State football coach Jim | 38 |
| Longtime Olivia Newton-John label | 33 |
| Longtime Olympics sportscaster | 30 |
| Longtime opponent of Isr. | 25 |
| Longtime Opry regular | 21 |
| Longtime Oreo competitor | 24 |
| Longtime Packers QB | 19 |
| Longtime pageant host Parks | 27 |
| Longtime pal | 12 |
| Longtime Palmer foe | 19 |
| Longtime panelist on "I've Got a Secret" | 54 |
| Longtime Parlophone record label owner | 38 |
| Longtime partner of Mike Nichols | 32 |
| Longtime PBS series | 19 |
| Longtime Penn State football coach | 34 |
| Longtime Pennsylvania congressman John | 38 |
| Longtime Pennsylvania senator | 29 |
| Longtime performer (Abbr.) | 26 |
| Longtime Pet Shop Boys record label | 35 |
| Longtime Philbin co-host | 24 |
| Longtime Philippine archbishop ___ Sin | 38 |
| Longtime photographer for Vogue | 31 |
| Longtime phrase on Idaho plates | 31 |
| Longtime piner for Daphne | 25 |
| Longtime Pink Floyd label | 25 |
| Longtime Pirate pitcher | 23 |
| Longtime pitcher Jim | 20 |
| Longtime pitcher Jim with the nickname "Kitty" | 56 |
| Longtime Pittsburgh product | 27 |
| Longtime Pittsburgh radio station | 33 |
| Longtime play-by-play announcer Chris | 37 |
| Longtime Playboy artist LeRoy | 29 |
| Longtime pop brand | 18 |
| Longtime pop group with mostly self-named albums | 48 |
| Longtime portrait studio __ Mills | 33 |
| Longtime portrait studio, ___ Mills | 35 |
| Longtime power provider: Abbr. | 30 |
| Longtime Pro Bowl city | 22 |
| Longtime publisher __, Mead and Company | 39 |
| Longtime R & B family name | 30 |
| Longtime radio advice-giver | 27 |
| Longtime RCA head | 17 |
| Longtime RCA subsidiary | 23 |
| Longtime record label | 21 |
| Longtime record label for Whitney Houston and Kenny G | 53 |
| Longtime record label of Frank Sinatra | 38 |
| Longtime Red Sox announcer Martin whose signature call was "Mercy!" | 77 |
| Longtime Red Sox nickname | 25 |
| Longtime Red Sox sportscaster Gowdy | 35 |
| Longtime Red Wings center Fedorov | 33 |
| Longtime Redskins coach Joe | 27 |
| Longtime religion of Japan | 26 |
| Longtime resident | 17 |
| Longtime resting place | 22 |
| Longtime Richard Petty sponsor | 30 |
| Longtime ring champ | 19 |
| Longtime Ritz competitor | 24 |
| Longtime Ritz rival | 19 |
| Longtime rival of chess's Garry | 35 |
| Longtime rival of Jay-Z | 23 |
| Longtime rival of Martina | 25 |
| Longtime role for Rhea | 22 |
| Longtime role for Shelley Long | 30 |
| Longtime role for Susan | 23 |
| Longtime Rolling Stones bassist | 31 |
| Longtime Rolling Stones bassist Bill | 36 |
| Longtime rubber giant | 21 |
| Longtime Russian acronym | 24 |
| Longtime SAC chief | 18 |
| Longtime San Francisco Examiner publisher | 41 |
| Longtime science fiction magazine | 33 |
| Longtime Seinfeld collaborator | 30 |
| Longtime Senate colleague of Arlen | 34 |
| Longtime Senate colleague of Kassebaum | 38 |
| Longtime Senate colleague of Thurmond | 37 |
| Longtime Senate first name | 26 |
| Longtime senator Kennedy | 24 |
| Longtime senator Strom | 22 |
| Longtime senator Thurmond | 25 |
| Longtime separatist Sri Lankan group | 36 |
| Longtime shampoo brand | 22 |
| Longtime Shatner associate | 26 |
| Longtime shoe dealer | 20 |
| Longtime Sierra Club director Adams | 35 |
| Longtime singer with Lawrence | 29 |
| Longtime Sixers forward | 23 |
| Longtime Sixers nickname | 24 |
| Longtime skating partner of Randy Gardner | 41 |
| Longtime slogan for a breakfast food | 36 |
| Longtime smoker | 15 |
| Longtime soap actress Jones | 27 |
| Longtime soap actress Linda | 27 |
| Longtime soda brand | 19 |
| Longtime soft drink nickname, with "the" | 50 |
| Longtime Southern senator | 25 |
| Longtime Spandau prison inmate | 30 |
| Longtime Spandau resident | 25 |
| Longtime Spanish dictator | 25 |
| Longtime sponsor in NASCAR events | 33 |