Circular routes ~200 miles

I'm a novice tourer looking to do a weekend touring and would like to find a circular route somewhere, approx 140-200 miles in length which would be suitable to cover in 2 days with an overnight stop en route.
Based in East Anglia but happy to travel anywhere in England (other than the far South-West). Lots of lovely routes seem to be point to point not circular and I don't want to have to deal with the logistics of that!!
Not too strenuous on the hills would be ideal too - it's so flat round here i'm not well trained on big hills!!
Any recommendations? Thanks!
Based in East Anglia but happy to travel anywhere in England (other than the far South-West). Lots of lovely routes seem to be point to point not circular and I don't want to have to deal with the logistics of that!!
Not too strenuous on the hills would be ideal too - it's so flat round here i'm not well trained on big hills!!
Any recommendations? Thanks!
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Coast to coast?
https://ridewithgps.com/routes/7330547