He didn't flee to Mecca, rather he and his followers were forced to migrate from their native city of Mecca to Madina. This event is called Hijrat.
A Muslim can go to Mecca at any time, but when Muslims around the world pilgrimage to Mecca together, it is called Hajj
It is called 'Haj'
A Muslim is required to visit Mecca one their life and it is called a pilgrimage
arabs
There isn't one. You fly to Jeddah or Ta'if then use ground transportation to Mecca.
Hegira
Hajj
Piligrimage to Mecca " when you are capable of doing it " is one of the five pillars of Islam & it's called in Arabic " Hajj".
mihrab
kaaba
That is the fifth pillar and is called Hajj. This means to make a pilgrimage to Mecca at least once in your lifetime