How long does it take to get to your home? Twenty minutes.
-How long does it take to get to your house? -20 minutes.
How far is it → ask the distance between the two places.
How far is it from your home to our school? -It's two kilometers.
How far is it from your home to our school? Two kilometers.
How fast is how fast and how long it will happen. Used in the future tense, you usually answer for a period of time with+.
How soon will he be back? In two weeks.
-How soon will he be back? In two weeks.
Tips: When you see that the underlined question is the answer listed above, you should know how to think backwards and ask questions with the corresponding words. Come on!