How long have you been learning English?

How long does it take to get to the airport by taxi?

How long is this rope?

How long will the meeting last?

How long did you stay in Paris?

How long does it take to finish this project?

How long has she been working here?

How long do you usually sleep every night?

How long is the river near your house?

How long will you be away from home?

How long did it take you to read this book?

How long does it take to cook a meal?

How long has your brother been married?

How long is the movie we are going to watch?

How long do you need to prepare for the exam?

How long did they play football yesterday?

How long will it take to repair my car?

How long has the store been open?

How long is the runway at the local airport?

How long do you think it will take to solve this problem?