Approximately 20 minutes.
21 minutes.
It would take .525 of an hour to drive 21 miles at 40mph without traffic, or a little over half an hour.
It will take you about 21 hours to drive the 1,467 miles between the two locations.
21 minutes, 13.85 seconds
10 hours 21 minutes.
38 minutes 11 seconds.
.42 hours
22 minutes 54.5 seconds.
21 hours 40 minutes.
21 minutes
10 hr 21 minutes.
21 minutes, 25.71 seconds