Flatlands - boring, nothing to look at only goes to shit places.
Bryan Chapman - some of the best scenary in the UK, visits some nice towns, and goes through Snowdonia, sure it's hilly but its not like doing a 600 in Kent or something, the hills are all really manageable.
I've done BCM fixed, the only place I thought I might need to walk was the start of the drive at Kings YH but someone had given me the hint to go past the turning and then double back with a bit of speed.
I found Bryan Chapman easier than the Flatlands.
Flatlands - boring, nothing to look at only goes to shit places.
Bryan Chapman - some of the best scenary in the UK, visits some nice towns, and goes through Snowdonia, sure it's hilly but its not like doing a 600 in Kent or something, the hills are all really manageable.