About 7.8 hours.
It depends on your speed:- if you drive at 100 miles per hour it will take you 5.81 hours. if you drive at 50 miles per hour it will take you 11.62 hours.
2.138 hours (rounded)
At 60 miles per hour, 9.383 hours.
6.25 hours at 65 miles per hour = 406.25 miles
If you drive at an average rate of 70 miles per hour then 931miles / 70miles / hour = 13.3 hours
hours it takes to drive 629 miles @ 70 miles per hour?
You can drive 550 miles.
About 13 hours.