1. Could you confirm whether both of the following sentences are okay?<br/><br/><i>A. How long does it take to get to the airport?</i><br/><i>B. How much farther is it to the airport?</i><br/><br/>2. Can I answer to all the questions in common, "It takes about half an hour"?<br/><br/>3. Can I answer to all the questions in common, "It is about 20 miles"?