Geography:
* Parallel: Refers to a line of latitude on a map.
* Equatorial distance: Indicates the distance north or south of the equator.
* Angular distance: Emphasizes the angle from the equator.
Figurative:
* Freedom: To express latitude in a figurative sense.
* Flexibility: To allow for a degree of leeway.
* Discretion: To have the ability to make choices within a range.
Other:
* Scope: To refer to the range or extent of something.
* Range: To describe the breadth or limits of something.
To choose the best synonym, consider the context and what aspect of "latitude" you want to emphasize.