3.47 hours.
13 hours 15.6 minutes.
70 miles/hour * 7 hours = 490 miles
depends how fast your going.
40.28 minutes.
100 miles.
It takes 25 hours!
3 hours 40 minutes.
10 hours 22 minutes.
40 miles.
60 miles.
640 miles would be 8 hours exactly. 639 is 7.9875