The sentence which contains correct punctuation is: The Mitchells traveled to Blantyre, Malawi. This task is devoted to one of the most essential punctuation rules in grammar that is connected to cities and states. When you want to mention some location in your sentence, you always should use a comma to separate a city from its state. Do not forget to put a comma after the state. For example: My grandparents live in Akron, Ohio.
