Huddersfield to London is about 3 hours 35 minutes.
what motorway would you travel from London to leeds
It is the M25 motorway.
The M1 motorway directly links Leeds to London, but the A1(M) motorway is another route as it passes between Leeds and York and it heads directly towards London.
The M25 motorway.
The A11 isn't a motorway, it's just an ordinary road and runs between London and Norwich. The M11 motorway runs between London and Cambridge.
London/Oxford use the M40