There are
1,080 mi
from Oshkosh, WI to Lancaster, TX
That's the driving distance. It would take 20 hours 8 mins to go from Oshkosh, Wisconsin to Lancaster, Texas.
The flight distance (direct flight from Oshkosh, WI to Lancaster, TX) is 905.67 mi.
1,080 mi = 1,738.31 kms