https://en.wikipedia.org/wiki/Cannonball_Run_challenge
A Cannonball Run is an unsanctioned speed record for driving across the United States, typically accepted to run from New York City's Red Ball Garage to the Portofino Hotel in Redondo Beach near Los Angeles, covering a distance of about 2,830 miles (4,550 km).[1] As of August 2025, the overall record is 25 hours 39 minutes, with an average speed of 112 miles per hour (180 km/h), driven by Arne Toman, Douglas Tabbutt, and Dunadel Daryoush in May 2020.[2]
closest is semi autonomous
> New Semi-Autonomous Cannonball Run Record of 43 hours and 18 minutes, at 98.4% autonomous
Established Spanish Trail Semi-Autonomous Record at 32 hours and 56 minutes, at 97.432% autonomous
https://gearjunkie.com/motors/prius-autonomous-cannonball-record-ai-driving-assistant