Time = Distance/Speed. You need to know the average speed t be able to calculate the time. And average speed will depend on your mode of transport, road and traffic conditions, whether or not the journey includes stops, etc.
10.5
going 60 miles an hour
7.86 miles
58.285714286 minutes you drive 68 miles 60 minutes you drive 70 miles
6 hours
About 6 hours
Depends on the speed
2000 miles
About 5.5 hours.
it depends on your speed
Depends on your speed.
That depends on your speed.