It depends on three factors
1)Speed
2)Route
3)Time of day/volume of traffic
Using most direct route it is about 210 miles and in good condition should take between 3.5 and 4.0 hours
A "man hour" is an hour of one person's time. If you work 8 hours a day you are working 8 man-hours.
The difference between hours and man-hours becomes important when scheduling work for multiple...