+5 reach.

https://2e.aonsrd.com/feats/1027-hulking-corpsefolk

These feats could theoretically be ported into Pathfinder. It does not take much of a stretch to say that elebrians and corpsefolk exist in the Pathfinder time frame.
https://2e.aonsrd.com/ancestries/22-elebrian
https://2e.aonsrd.com/ancestries/23-corpsefolk