Headed, heading, heading towards.

[tufguy]

1) Where are you headed?

2) Where are you heading?

3) Where are you headed towards?

4) Where are you heading towards?

Do all these sentences mean the same?

We say these to ask someone where they are going. Am I correct?

 

[GoesStation]

1) Where are you headed?:tick:

2) Where are you heading?:tick:

3) Where are you headed towards?:cross:

4) Where are you heading towards?:cross:

Do all these sentences mean the same?

We say these to ask someone where they are going. Am I correct?

Yes, and yes.

When it's a wh- question word, "where" includes the idea of direction; you could replace it with "in what direction". Including "towards" is redundant.