It's about one-and-one-tenth times as big as Puerto Rico.
In other words, 900,000 hectares is 1.01466 times the size of Puerto Rico, and the size of Puerto Rico is 0.9855520 times that amount.(formally the Commonwealth of Puerto Rico, a.k.a. Estado Libre Asociado de Puerto Rico) (United States)
A self-governing territory of the United States located in the Caribbean Sea, Puerto Rico is an archipelago with 887,000 hectares in total land area. The island is known as a popular tourist destination.
It's about one-and-one-tenth times as big as Juneau.
In other words, 900,000 hectares is 1.1278060 times the size of Juneau, and the size of Juneau is 0.88667730 times that amount.(a.k.a. the City and Borough of Juneau) (Alaska)
The capital of Alaska and third-largest city in both Alaska and the United States, Juneau measures 798,009.40 hectares in total area. Juneau is a port of call for many cruise ships voyaging off the Alaskan coast during the summer season.
It's about nine-tenths as big as Hawaii (Island).
In other words, 900,000 hectares is 0.8626890 times the size of Hawaii (Island), and the size of Hawaii (Island) is 1.159170 times that amount.(a.k.a. Hawaii, a.k.a. The Big Island) (Hawaii)
The largest of the main Hawaiian Islands and the largest island in the United States, Hawaii measures 1,043,250 hectares in total area. It is known for its continuously erupting (for the past two decades, as of 2011) volcano, Kīlauea, and for the black sand beaches formed by the lava flow.
It's about seven-tenths as big as Sitka.
In other words, 900,000 hectares is 0.71653880 times the size of Sitka, and the size of Sitka is 1.3955980 times that amount.(a.k.a. the City and Borough of Sitka) (Alaska)
The second-largest city in both Alaska and the United States, Sitka measures 1,256,038 hectares in total area. The city is known as a major west coast seaport.
It's about one-and-two-fifths times as big as Delaware.
In other words, 900,000 hectares is 1.39595922775830 times the size of Delaware, and the size of Delaware is 0.716353300379590 times that amount.(United States)
The "First State," Delaware measures 644,718 hectares in total area. Its 19.3 km (12 mi) border with Pennsylvania, referred to as "Twelve-Mile Circle" is the only circular state boundary in the United States.
It's about two-thirds as big as Glacier Bay National Park.
In other words, 900,000 hectares is 0.67720 times the size of Glacier Bay National Park, and the size of Glacier Bay National Park is 1.4770 times that amount.(a.k.a. Glacier Bay National Park and Preserve) (Hoonah-Angoon Census area, and Yakutat City and Borough, Alaska)
Containing nine tidewater glaciers, Glacier Bay National Park covers 1,329,000 hectares of which 1,076,000 hectares is designated a Wilderness Area. Glacier Bay is home to the 33.8 km (21 mi) long Margerie Glacier.
It's about one-and-three-fifths times as big as Prince Edward Island.
In other words, 900,000 hectares is 1.583420 times the size of Prince Edward Island, and the size of Prince Edward Island is 0.6315440 times that amount.(a.k.a. PEI, a.k.a. P.E.I., a.k.a. Île-du-Prince-Édouard, a.k.a. Eilean a' Phrionnsa, a.k.a. Garden of the Gulf, a.k.a. Birthplace of the Confederation, a.k.a. Île Saint-Jean)
Prince Edward Island, located off Canada's eastern coast in the Gulf of St. Lawrence, measures 568,391 hectares in total area. Significant among Prince Edward Island's industries is agriculture, with the island producing 1.3 billion kg (1.4 million tons) of potatoes each year — almost 21% the output of the US state of Idaho with 3% as much land.