Kent County, MI has an area of 872 sq miles (2,258 km²).
Kent, England - 1,442 square miles.
Jackson county is 100.6 square miles
Oklahoma County is 718 square miles.
Assuming you're in the UK, Kent is 1442 square miles.
* Dallas County Arkansas is 668 square miles. * Dallas County Texas 908 square miles.
Rockwall County: 129 square miles.
Marquette County, Michigan is 3,425 square miles.
Hennepin County, Minnesota is 606 square miles.
Lincoln County is 4 831 square miles.
Darlington County, SC is 567 square miles.
Okaloosa County, Florida is 1,082 square miles.
Tillamook County, Oregon is 1,133 square miles.