That would depend on the speed you are driving. If you could drive straight through without stopping or slowing at 60 MPH it would take you 129 minutes.
About 6 minutes
About 19 minutes
It will take 48 minutes to drive 48 miles at the speed of 60mph It will take approximately 41.09 minutes to drive 48 miles at the speed of 70mph
52 minutes
At 30 mph it takes 40 minutes to drive 20 miles.
54 minutes.
129.23 minutes
15 minutes.
36 minutes.
33.43 minutes
aproximately 52 minutes
4.85 minutes.