You would divide distance by time and get that it would take 20 hours to drive 1200 miles at 60 mph.
24 hours.
It obviously depends on how fast you are driving. You should be able to drive 1200 miles in about 22-24 hours.
To drive 80 miles at 80mph takes 1 hour. To drive 1200 at 80mph takes 1200/80 = 15 hours.
20 hours at 60 mph
16 hours.
16 hours.
16 hours, if you do it non-stop
it takes 17 and 1/7 hours
17 hours 9 minutes.
About 19-20 Hours It is a little over 1200 miles
Distance = Speed x Time Time = Distance / Speed = 1200 miles / 65 Miles per Hour 18.4615385 Hours