It was John Koehler, based at Concord CA, who flew his RV-9A around the world, but got caught out by weather in Hawaii, delaying the final leg to the US.
Jon Johannsen's book "Aiming High" chronicles his various circumnavigations from Australia and is well worth a read.
It will involve a couple of 2000NM legs to cross the Pacific unless you go the long way round. Logistics of Avgas at places like Kiribati are also difficult from what I've heard. And all the fun of crossing the ITCZ!