From Manningtree, on the only very squiggly laney bit [where Deniece and I once went ice-skating - alternative slightly longer way round via Sudbury, Clare, Steeple Bumpstead on treated roads....] to Saffron Walden, Buntingford, Lavenham and back.
I've started it from S/W - logistically easier for me - better for an icy start too.