For a decent chunk of the board - to get to a square of the same color , two moves. To get to a square of the opposite color, three moves. To move to a diagonal square from where you are. Odd numbers in two moves. Even numbers in 4 moves.
How to learn the knight re-route mechanics.

In particular the one square horizontally and two squares diagonally are the ones that cause me most trouble to solve.
I actually made a YouTube video on how the Knights move because they are so different from other pieces
In particular the one square horizontally and two squares diagonally are the ones that cause me most trouble to solve.