65 mph exactly - without using a calculator !
An hour and three quarters if your destination is 70 miles away. Never, if your destination is further away.
The distance between the start point and the destination is 1,984 miles, and will take approximately 29 hours of driving time.
It would take 3.5 hours to drive 210 miles at 60mph.
The distance between the start location and the destination is 2,289mi, (3,685km), and will take approximately 34 hours of driving time.
To find out how many miles Dan would drive in 5 hours, first determine his driving rate. He drove 605 miles in 11 hours, which gives a rate of approximately 55 miles per hour (605 miles ÷ 11 hours). At that rate, in 5 hours, he would drive about 275 miles (55 miles/hour × 5 hours).
175 miles at 65 miles per hour would be 2.69 hours
The average speed would be 56.75 miles per hours.
The distance between the start point and the destination is 651 miles, and will take approximately 10 hours 12 minutes of driving time.
About 2.40 hours
The time it takes to drive 20 miles depends on the speed at which you are driving. If you are driving at a constant speed of 40 miles per hour, it would take you 0.5 hours to drive 20 miles (20 miles / 40 miles per hour = 0.5 hours). If you are driving at a constant speed of 60 miles per hour, it would take you 0.33 hours to drive 20 miles (20 miles / 60 miles per hour = 0.33 hours).
At 60 miles per hour it would take about 4 hours.
12 hours