By definition, if I drive at 40 miles per hour for one hour (equivalent to 60 minutes) then I have driven for 40 miles; as for the number of miles you drove, I have no idea.
About 19 minutes
Five minutes at 60 mph
115.4 minutes.
16 minutes at 60 mph
148.75 miles.
19.5 miles.
54 minutes.
15 minutes.
36 minutes.
7.67 miles.
About 35 miles.
At what speed? 20 MPH, 498 minutes 60 MPH, 166 minutes 75 MPH, 132.8 minutes