That depend largely what you are traveling in some things are quicker then others.
That depends on your speed.
(27 divided by 2) hours
About 27 minutes, 45 seconds.
27 / 3 = 9 Thus the person travels 9 miles in an hour and 70/9 hours to travel 70 miles. You do the math.
7 hours 27 minutes.
4 hours 27 minutes 45 seconds.
27 minutes 34 seconds.
1 hour 27 minutes.
29 minutes 27 seconds.
About 2 hours 27 minutes.
One hour at 27 km/h
About 4 hours 27 minutes @65 mph