In an effort to better-acquaint myself with what kind of fic you were interested in, I sleuthed around your LJ and saw that you were looking for some good quality, longer length, gen fic (I also included fic from your preferred pairings and a crossover. Hopefully you will find something you have not read and enjoy):
All This Time:
http://www.fanfiction.net/s/6526681/1/All_This_Time Written by: hotchityhotchhotch
Hotch and Emily have both left the BAU for their own reasons. As a last-ditch effort to glue their little family back together, JJ asks them to do something that will carry more significance than any of them ever would have expected.
Rated: T
Angst/Romance
398,669 words.
Happily Ever After?
http://www.fanfiction.net/s/6133971/1/Happily_Ever_AfterWritten by: hxchick
Dave, JJ and Abby thought that life would be easier after the wedding, but they quickly learn it's not, especially when an event occurs that threatens to unravel everything.
Rated: T
Family/Drama
332,352 words.
Departing Sun:
http://www.fanfiction.net/s/7196442/1/Departing_SunWritten by: hotchityhotchhotch
Multi-chapter. Hotch is diagnosed with terminal cancer. As he prepares himself for his death, he must prepare the ones he loves, as well. Hotch/Prentiss romantic focus later in the story. Warning: character death - yes, it will happen. Note the genres!
Rated: T
Tragedy/Romance
132,270 words
A New Normal:
http://www.fanfiction.net/s/6332343/1/A_New_NormalWritten by: kdzl
JJ's life changed forever when she was kidnapped during a case in Nebraska. Now, after three years they've found her, but working towards a new normal will be harder than any of them thought.
Rated: M
Hurt/Comfort/Friendship
92,930 words.
Caltech:
http://www.fanfiction.net/s/6271002/1/CaltechWritten by: rbnnybt
Starring Reid and Garcia at Caltech, and featuring the Great Cyanide Siege of Gates Lecture Hall and the Campus Creeper.
Rated: T
Friendship/Suspense
87,190 words.
Say That Again?
http://www.fanfiction.net/s/7332721/1/Say_That_AgainWritten by: 12wallflower
Emily didn't have an abortion, she gave her daughter up for adoption. After coming back to the team from the dead, she is thinking about her kid a lot. What happens when Garcia decides to track the girl down for Emily without asking first? Mostly team fic
Rated: T
Family/Friendship
79,576 words.
Brave New Life:
http://www.fanfiction.net/s/7514070/1/Brave_New_LifeWritten by: ficdirectory
High School AU. 8 high school students connect over the course of the 1998-1999 school year. Written for National Novel Writing Month, 2011.
**WARNINGS: Eating disorder, physical abuse, implied self-harm, implied sexual abuse, mentions suicide & abortion.**
Rated: M
Friendship/Romance. Gen/Team with slight Hotch/Prentiss.
63,082 words.
War Crimes:
http://www.fanfiction.net/s/6391786/1/War_Crimes Written by: mosylu
Historical AU. In 1947 New York, a motley group of strangers are about to come face-to-face with the idea that you can catch a criminal from within his own mind.
Rated: T
Mystery/Drama
57,239 words.
A Rose by Any Other Name CM/NCIS Crossover:
http://www.fanfiction.net/s/7041265/1/A_Rose_By_Any_Other_Name_CMNCIS_CrossoverWritten by: Tigereye77
With the rest of the BAU team in Montana, Prentiss is doing a solo consult with NCIS and finds herself easily connecting with Team Gibbs and their gruff leader. Takes place right after Demonology.
Rated: T
Drama/Mystery
55,197 words.
And Justice For All:
http://www.fanfiction.net/s/6797211/1/And_Justice_For_AllWritten by: SunnyInOregon
Dave gets entangled in the chase of a serial killer. Can Penelope help him before it is too late? Can anyone help her when she falls in love?
Rated: T
Mystery/Romance
38,059 words.
Tread Softly:
http://www.fanfiction.net/s/7120450/1/Tread_SoftlyWritten by: sarramaks
Set between seasons 6 & 7, charting the return of Emily Prentiss to the team, and the demise of Doyle. Spoilers for season 6.
Rated: T
Crime/Romance/Angst/Espionage
37,458 words.
Alive:
http://www.fanfiction.net/s/5011153/1/AliveWritten by: Kavi Leighanna
The worst of circumstances creates the strongest bonds. JJ/Rossi.
Rated T
Angst/Romance
33,511 words.
Tell Me Something That Will Save Me:
http://www.fanfiction.net/s/6888998/1/Tell_Me_Something_That_Will_Save_MeWritten by: pandorabox82
In the fallout of Penelope's shooting, unlikely people turn to each other for comfort, friendship, and love. But will the choices made in a moment of passion lead to something lasting? Rossi/Garcia.
Rated M
Hurt/Comfort/Drama
27,999 words.
Start to Finish:
http://www.fanfiction.net/s/6853152/1/Start_to_FinishWritten by: ficdirectory
Ever wonder what the profilers are thinking? Here it is, from start to finish.
Rated T
Drama/Friendship
25,585 words
The Hunt:
http://www.fanfiction.net/s/7625227/1/The_HuntWritten by: RJ Russell
The BAU team is the best at one thing, hunting monsters. But the team is about to discover what it feels like to have their roles reversed when three members of the team become the hunted.
Rated: T
Suspense/Angst
13,273 words.
Alaska:
http://www.fanfiction.net/s/6853342/1/AlaskaWritten by: ficdirectory
The floatplane crashes on the way back from Alaska.
Rated T
Drama/Friendship
11,556 words
Losing Henry:
http://www.fanfiction.net/s/7123646/1/Losing_HenryWritten by: ficdirectory
JJ comes back to work with a secret. Her son has been kidnapped and she knows who has him. She also knows he does not make idle threats. Can she and the team get to Henry in time?
Written prior to Season 7.
Rated: M
Family/Drama (features JJ but also has the team doing what they do best!)
11,107 words
Home Invasion:
http://www.fanfiction.net/s/6854617/1/Home_InvasionWritten by: ficdirectory
The BAU is caught unaware on a night off, and find themselves victims of a home invasion.
Rated M
Drama/Friendship
10,321 words
Seychelles:
http://www.fanfiction.net/s/7613655/1/SeychellesWritten by: ficdirectory
Currently in progress
The team takes a vacation together...but what happens when they are taken over by modern-day pirates?
**WARNINGS: Physical abuse, addiction**
Rated: T
Action/Adventure/Friendship
Words: 6,691
I Made It Through The Rain:
http://www.fanfiction.net/s/6673856/1/I_Made_It_Through_The_RainWritten by: flashpenguin
Penelope gets flooded out during a bad storm. When all seems lost, Rossi steps in to help save the day.
Rated K+
Hurt/Comfort/Friendship
2,093 words.