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.
Approximately 20 minutes.
It will take you about 21 hours to drive the 1,467 miles between the two locations.
21 minutes, 13.85 seconds
.42 hours
38 minutes 11 seconds.
22 minutes 54.5 seconds.
10 hours 21 minutes.
21 hours 40 minutes.
21 minutes
21 minutes, 25.71 seconds