Step:1) Login your Facebook account and open Setting.
Step:2) After open setting now you can click Privacy.
Step:3) After open privacy now you can click “Where you’re login”.
Step:4) Now you can see that where you can log in Facebook account last time.
Step:5) Now you want to logout there place which you log in your account.
Step:6) So you click End.
Step:7) Your facebook account logout Remotely.