Question

Rakhee came all the way by foot just to meet me. by foor or on foot which one is correct

Answer 1

Rakhee came all the way on foot just to meet me.

On foot is the correct one because "by foot" is commonly used for travelling purpose such as "By car".

Moreover "by foot" is an analogy of "by car".

So if you do not know the correct expression then you can use "on foot" in this case.