How different are Arabic Dialects from one another?

The differences between the Catalan and Aragonese, for example, are roughly the same as the differences between Algerian and Egyptian Arabic and the differences between Catalan and Galician are roughly equivalent to the differences between Iraqi and Moroccan Arabic. In many cases dialects will not be mutually intelligible if they are from countries that are very distant from one another. Most Arabs can understand both MSA and the Egyptian dialect since MSA is used on the News and most Soap Operas and TV shows are made in the Egyptian dialect. However, being able to understand a dialect does not mean that they can speak it, leading to numerous one-way conversations. There are also basic expressions that can lead to confusion.

For example, the expression for "How are you?" in the following dialects:

MSA -- Kayf Haalek? (كيف حالك)

Lebanese -- Kifek? (كيفك)

Iraqi - Ash Lownak? (أش لونك)

Egyptian - Izzayak? (إزيك)

Moroccan - La Baas (لا باس)