If you are looking for some of the longest fanfiction stories out there, then this is the post for you.
There is an immense amount of fanfiction stories on the internet.
But in this post, I will write about some of the longest fanfiction stories on Archive of Our Own.
So if you are a fan of long fanfiction stories about different fandoms, this article might be just the thing for you.
This fanfic is a crossover between:
- Terminator: The Sarah Conner Chronicles
It has 1509 chapters with a total length of 6,713,475 words, making it one of the longest stories on this website.
The story follows an alternate storyline for season 3 of the Sarah Conner Chronicles.
The main focus is on Sarah Conner, Cameron Phillips, and John Conner.
It starts where season 2 ended, and instead of focusing only on the battle with Skynet, it also shows a lot more character development.
It is quite an action story with so many layers that there is something for everyone who loves this fandom.
This story follows the books by Tolkien, like the Hobbit and Lord of the Rings.
It has 330 chapters so far with 6002182 words, making it the longest Tolkien-inspired story on this website.
For this story, the writer took modern-day Ireland and mixed it up with the characters from Tolkien’s books.
A lawyer from New York moves to rural Ireland, but little does she know that this will bring her on the path of elves and hobbits.
It doesn’t take long before the lawyer and some of her friends become fully immersed in this fantasy world.
The story is part 1 in the “Edges AU” series, so make sure to read the rest if you enjoyed this one.
This is a fanfic about Mob Psyco 100, a Japanese web Manga series.
It takes place in an alternate universe and diverges quite a lot from canon.
Her birth parents adopted Kageyama “Mob” Shigeo because they had to choose between a son and a daughter to take care of.
Now Mob is raised by Claw, and this brings a lot of challenges with it for both of them.
This fanfic has 1012 chapters of varying length, with a total of 5,246,917 words.
The fanfic is part 1 in the “Off to the Races” series, so make sure to read the rest.
In this fanfic, we see an alternate universe for Avatar: The Last Airbender.
(You may want to check out other Avatar fanfic articles!)
It goes off canon for both the comics and the TV show and is, therefore, a really unique story.
In this world, the Fire Nation is in charge of two important nations now that there is no Avatar.
Sokka, the water tribe warrior, is doing all he can to protect his people when a group of enemies captures him.
But then he realizes that his fate is in the hands of the Fire Nation Princess.
And that can be a problem on his own because he has no idea where her loyalties lie.
This fanfic contains 271 very long chapters combining 3,635,481 words.
This story is about the Witcher and combines all the media types out there.
A young scholar from the University of Oxenfurt is sent out into the real world to gather as much information and knowledge as possible.
But then he comes across a wounded Witcher in the inn where he is staying.
This Witcher is a great source of information, and the scholar decides to tag along with him on his adventures.
The story is a selection of the adventures written down by the scholar.
It is 169 chapters long with a grand total of 3,562,207 words.
This is a fanic about the Harry Potter world, but its main focus is Ron Weasley.
(want to read more about Harry Potter fanfic on this site? Check out our very popular Dramione fanfic post!)
It is a completely alternate universe where Ron is a Slytherin.
Ron discovers that he can see into the future, which turns his entire life and fate upside down.
So Ron is a Slytherin now, and his friends are somewhat different than we are used to.
This also has a large impact on Ron’s character development.
He is a lot darker than the Ron we know and makes decisions that are quite questionable.
The story follows all seven years in Hogwarts from Ron’s perspective and is 149 chapters long.
This is a story that is a crossover between a massive amount of fandoms, including:
And many, many more fandoms.
The main focus is on the villains from all these stories and how they learn the power of friendship.
Because even bad guys still need some friends now and then.
The story is 172 chapters long and has 3,173,970 words.
As you can guess by the title, this is a Naruto story but in an alternate dimension.
This fanfic follows the original storyline, but changes are made with the original characters and other developments.
A young girl tries to live a life as a ninja with more honor than in the cruel world around her.
It is very hard for her to make a life of her own and not change everything about herself.
The people in her town don’t like people who are different.
There are 889 chapters that are not too long, making the story easy to read.
A Gravity Falls fangirl wakes up inside the body of Bill Cipher.
And if this isn’t bad enough, she has also been transported back in time to before the canon events happened.
But this girl knows everything there is to know about Gravity Falls.
And now she has a chance to change the story lines she didn’t care for.
Only will she be able to deal with the consequences or maybe she doesn’t care about that at all.
The story really follows most of the events from Gravity falls, but with some huge twists.
Making it a fun and long story to read and entertain you.
In this story, all the main characters from Glee are shown as they try to navigate life in New York City.
It basically reads as Glee episodes with all the usual drama and heartbreak.
Only now, all of them are in New York.
Every chapter is a new episode from a season of the show.
And even has a list of actors that appeared as the characters in that chapter.
Because of this, the chapters really read like you are watching the show and the story is very original.
There are 140 chapters in total that form 6 seasons of Glee.
The Longest Fanfiction: Conclusion
I hope this article has helped you find some of the longest fanfiction you may not have otherwise known about!
These 10 are just a small sample of all the amazing stories available that are really long!
So you may want to look at the other fanfics with this tag and find your own favorite among them.
And if you have questions about this topic, feel free to leave a message in the comments below!