This is the 6386th most frequent Swedish word.
long
The Swedish word "long" does not exist as such; you might mean "lång," which means "tall" or "long" in English.
In this sentence, 'länge' refers to an extended duration of time.
Jag har varit bortrest länge.
I have been away for a long time.
Here, 'lång' describes the physical length or distance of the road.
Det är en lång väg till staden.
It is a long road to the city.
In this example, 'långt' specifies the extended length of her hair.