'Great City' in the Bible

Arise, go to Nineveh, that great city, and cry against it; for their evil has come up before Me.

Arise, go to Nineveh, that great city, and cry out to it the proclamation that I am declaring to you.

And Jonah arose and went to Nineveh, according to the Word of Jehovah. And Nineveh was a very great city of three days' journey.

And should I not spare Nineveh, that great city, in which are more than a hundred and twenty thousand men who do not know between their right and their left hand, besides much cattle?