Maine residents are called Mainers!
Residents of Haiti are called Haitians.
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
Maryland's residents are called "Marylanders."
It is called 'Haj'
A Muslim is required to visit Mecca one their life and it is called a pilgrimage
The residents of Epirus are called Epirotes. Although, Epirus is a region of multiple towns. The capital is Ioannina and they are called Gianiotes. Another town is Zagoria and the residents there are called Zagoriani. The beautiful town of Parga where the residents there are called Pargini.
Rīdzinieki (in Latvian) Рижане (in Russian)
There isn't one. You fly to Jeddah or Ta'if then use ground transportation to Mecca.
Hegira
Hajj