It's simple multiplication. If you are driving at 65 miles per hour, and you are going to drive for 5 hours, multiply 65 by 5 = 325 miles.
5 hr x 35 miles/hr = 175 miles
400 miles
245 miles
Distance = Speed*Time = 75 mph*8 hours = 600 miles.
495 miles if you don't stop.
152.9 miles
At 60 MPH average, about 9 1/2 hours.
50 mph = 50 mi/hr 50 mi/hr * 4 hr =200 mi =200 miles
The distance of a 139 mile drive is 139 miles. At an average 70 mph, it will take you around two hours.
3.5 x 70 mph = 245 Miles
531 miles. (9 x 59 = 531)
At an average 60 mph: 11 hours, 14 minutes