Mishkat al-Masabih 4 Prayer كتاب الصلاة 124

وَعَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: ” لَا تُشَدُّ الرِّحَالُ إِلَّا إِلَى ثَلَاثَةِ مَسَاجِدَ: مَسْجِدِ الْحَرَامِ وَالْمَسْجِدِ الْأَقْصَى وَمَسْجِدِي هَذَا ”

Abu Sa’id al-Khudri reported God’s Messenger as saying, “Animals are saddled only for prayer in the three mosques: the sacred mosque, the Aqsa mosque, and this mosque of mine.”* * These are the only mosques to which long journeys may be made purely for the purpose of praying in them. The sacred mosque means the Ka’ba. (Bukhari and Muslim.)