About 801square miles which is about 2,074 square kilometres.
About 223 miles or 359 kilometres.
Jackson County in Florida covers approximately 917 square miles.
Marquette County, Michigan is 3,425 square miles.
Onondaga County, NY is 806 square miles.
Darlington County, SC is 567 square miles.
Tillamook County, Oregon is 1,133 square miles.
There are 2,569 square miles in Lincoln County, Nevada.
Hennepin County, Minnesota is 606 square miles.
The smallest county in Texas is Rockwall County, which is about 147 square miles in size.
Fulton County, GA's area is 534.75 square miles.
Baldwin County, AL's area is 2,027 square miles.
Loudoun County, Virginia has a land area of approximately 520 square miles.