If you mean sail on a sailing boat - about 2 hours. If you mean by ferry, about 30 minutes.
It all depends on the type of boat you're using.
how long does it take to drive to Nottingham from Portsmouth
It takes about 12 hours by road to get from Aberdeen to Portsmouth.
The first infantry set sail from Dorset in Southern England. Other units set sail from other South England towns, notably Portsmouth.
Arsenal by a long, long distance.
10 days
you can't fly to Portsmouth I am afraid,no airport,London airports are the nearest.
The distance between the starting point and the destination is 79.2mi, (128km), and with reasonable traffic conditions it will take approximately 2 hours of driving time.
252 days was how long it took
how long does it take to sail from Pakistan to England
About 1 hour