There are
2,285 mi
from Oshkosh, WI to Arcata, CA
That's the driving distance. It would take 1 day 16 hours to go from Oshkosh, Wisconsin to Arcata, California.
The flight distance (direct flight from Oshkosh, WI to Arcata, CA) is 1,810.94 mi.
2,285 mi = 3,677.91 kms