The time (hours) required to drive 20 miles is (20) / (speed, in miles per hour)
Depends on your speed!
Depends on how slow the ducking
depends on what speed your driving at
6 hours
45 minutes at 60 mph
277 / 55 hrs
1 hour 40 minutes.
It really depends on haw fast your going
3hr 7mins 30sec
6 hours 7 minutes.
10 hours 46 minutes.