According to AI you'd have to (link should be to the full thread):
The simple reason being that London Manchester is around 1/5th the distance of Ibiza Manchester (210 miles vs 1,015 miles).
That's based on the fight being full and the per person emissions being 98g/kg.
I therefore asked if it were to use the most effective aircraft (such is said was 58g per kg) it got a bit more of a viable option:
I asked about congestion, as clearly that's a possible factor, using a car which does 20mpg and it said:
I did ask for congestion at 30mph first but that was over 12 hours, so felt that was a bit ridiculous so didn't feel that was likely, so adjusted the mpg downwards.
As such (and given I don't know what vehicle you drive) it's possible, although for most people it's unlikely.