19.5 minutes
Roughly 18 minutes.
8 hours 20 minutes. This is the actual driving time at that speed and does not include stops or delays.
an hour and 20-30 minutes
About 20 minutes at a constant 45 mph
The driving distance is about 78 miles. The journey would take about 1 hour and 20 minutes
5 hours 20 minutes. This is the total driving time at that speed and excludes stops or delays.
13 hours, 20 minutes
20 miles per hour.
If you drove 20 miles at 55 miles per hour, it would take you 21 minutes 49.09 seconds. This is equal to 21.82 minutes or 0.3636 hours.
It depends on how fast you are driving. Since there are 60 mins in an hour, 20 miles would take 20 mins at 60 mph.
1000 miles or 20 hours.
The answer depends on 20 WHAT!