Miles between San Marcos, CA and Oshkosh, WI

There are
2,084 mi
from San Marcos, CA to Oshkosh, WI

That's the driving distance. It would take 1 day 13 hours to go from San Marcos, California to Oshkosh, Wisconsin.

The flight distance (direct flight from San Marcos, CA to Oshkosh, WI) is 1,707.24 mi.

2,084 mi = 3.22 kms