Owen Morse goes 5 kilometers further than Tomas Wesienberger's out and return
record in Chile.

Tom's records:

https://www.fai.org/page/civl-records?f[0]=field_record_sport:2026&f[1]=field_type_of_record:258&f[2]=field_subclass:229

World Out-and-return distance 353 km 03 Nov 2013 ratified -
current record

World Free out-and-return distance 339,9 km 27 Oct 2013 ratified - current
record

Video of landing:
https://www.facebook.com/1045041299/videos/pcb.10220597765147816/10220597728466899

Animation:
https://ayvri.com/scene/6vk1zgy9jx/ckbnvb0w300013e5rhjv415x9

I calculate:

That is the distance to the out point. Double that distance gives you 359.22 km
or 223.21 miles.