Recently you no longer need to travel to a pearson vue test center to take the Microsoft certification exams. It is in fact beeing enabled the opportunity to take online and supervised exams (Supervised means that you'll have to equip yourself with a webcam through which you will be precisely supervised by a person to prevent someone performs the examination on your behalf, and to prevent the ability to copy / use notes). The choice of being able to take the exam online will be definitely very convenient for those who do not have a test center close to home, saving time and “unnecessary” travels.
This is the official page with all the details:
While here you will find a list of all the exams already qualified for the online mode: