There are
2,026 mi
from Oshkosh, WI to Pomona, CA
That's the driving distance. It would take 1 day 12 hours to go from Oshkosh, Wisconsin to Pomona, California.
The flight distance (direct flight from Oshkosh, WI to Pomona, CA) is 1,700.52 mi.
2,026 mi = 3,259.93 kms