4 hours and 30-50 minutes. This requires a short trip on the London Underground between Euston and Victoria or Waterloo stations.
I'd also look to see if there's a feasible Manchester - Southampton service (change at S'hampton for the short journey to Portsmouth.
The distance between Portsmouth, NH, and Manchester, NH, is 45.1 miles and will take approximately 50Minutes of driving time.
Hour and a Half at most
1hr 45mins
There are no ferries between Manchester and Glasgow. Drive or take a train.
Around 5 and a half hours.
Just over 3 hours
It takes about 20 minutes
About 3 hours
couple of hours (3?) if you take the high speed to st pancras
how long does it take to drive to Nottingham from Portsmouth
Roughly 1 hour 45 minutes by train
Take a train from London Waterloo station.