By landmass would be Denver International Airport
Yes denver is the largest airport in us
Texas .
california
O'hare Airport
Los Angeles International Airport is the second largest airport by area in the USA.
OHARE airport
Eurasia is largest landmass in the world.(Europe,Asia)
Asia has the largest landmass of the seven continents.
Grissom
Atlanta
The largest landmass is the entire area of the continents of Europe, Asia and Africa.
California is the 3rd largest US State and contains 163,696 square miles.