While not necessarily a fair comparison due to the flying, there are several lengths at brown.
24-96 hr in WAW, CGN, HKG
24-102 hr HNL
24-72 hr PVG, NRT, TPE
24-48 hr ALA, DXB, SYD, SZX
Typically you'll get at least 24 hours, usually more. There are a few times it may be in the 15-17 hour...