Bangor, Wales to High Wycombe

[TypeR]

Little Miss TypeR starts Uni at Bangor on Saturday. Once she’s settled in I’ll visit her from time to time. I intend to avoid the motorways where possible and have a bit of a road trip with the Mrs.
Can anyone suggest some fun/interesting routes starting from the High Wycombe area?

[TypeR]

Many thanks for the route suggestions. I did cheat a bit by using the M40 into Oxford, then onto the A44.
If you're not in a rush, then it's a very scenic route and an enjoyable drive and I drove through a lot of towns/villages that I'd never been through before, which is always a treat!
We've just come back from Bangor after her 1st "year" with a car full of student detritus and came down the M56/M6/M40 which was boring but efficient.
It's North Scotland for me & the Mrs in August for 7/8 days. Can't wait.