مناسك حج - مكارم شيرازى، ناصر - الصفحة ٣٥ - Conditions of Hajj al -Tamattu
Article ٢٥- It has to be done as obligatory precaution that pilgrim does not leave Mecca after performing" Umrah al- Tamattu" until the time of Hajj and performs Hajj, unless there is a special necessity or need that in this case as obligatory precaution the pilgrim should wear Ihram with the intention of Hajj and leave Mecca with Ihram and remain in that state in return, until he/ she performs the rites of Hajj; but if wearing Ihram causes this person severe hardness then he/ she can renounce that act, and there is no difference in this rulings between obligatory and Mustahab Hajj.
Article ٢٦- Prohibition of leaving Mecca for people who have performed Umrah al- Tamattu is for traveling to far places, therefore going to a distance one or two parasang( each parasang is approximately ٦. ٥ km )far from Mecca is not prohibited and people who live out of Mecca can return to their homes after performing Umrah.
Article ٢٧- Today, Mecca has advanced to a big city, but all that is called Mecca has the rulings of Mecca, like Masjid al- Haraam that has been advanced and expanded but all of that has the rulings of Masjid al- Haraam.