There are
2,196 mi
from Oshkosh, WI to Lompoc, CA
That's the driving distance. It would take 1 day 15 hours to go from Oshkosh, Wisconsin to Lompoc, California.
The flight distance (direct flight from Oshkosh, WI to Lompoc, CA) is 1,810.93 mi.
2,196 mi = 3,533.61 kms