It's about as big as Grand Canyon National Park
It's about as big as Calgary
It's about one-and-one-tenth times as big as Fort Bliss
In other words, 493,059 hectares is 1.09 times the size of Fort Bliss, and the size of Fort Bliss is 0.9170 times that amount.(near Las Cruces, New Mexico and El Paso, Texas)
Fort Bliss is the United States Army's second-largest installation with a total area of 453,000 hectares. It is known as the largest TRADOC (Training and Doctrine Command) site, the Army's largest maneuver area, and the country's largest contiguous tract of open airspace.
It's about one-and-one-tenth times as big as Kangaroo Island
In other words, 493,059 hectares is 1.1190 times the size of Kangaroo Island, and the size of Kangaroo Island is 0.89370 times that amount.(a.k.a. Karta) (state of South Australia, Australia)
Kangaroo Island, off the southern coast of Australia, measures 440,500 hectares in total area. The island is famous for its ligurian bee colonies, exporting over 100 tonnes of honey each year.
It's about nine-tenths as big as Prince Edward Island
In other words, 493,059 hectares is 0.8674640 times the size of Prince Edward Island, and the size of Prince Edward Island is 1.152790 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.
It's about one-and-one-fourth times as big as Rhode Island
In other words, 493,059 hectares is 1.232140 times the size of Rhode Island, and the size of Rhode Island is 0.8115960 times that amount.(a.k.a. The State of Rhode Island and Providence Plantations, a.k.a. RI) (United States)
The "Ocean State," Rhode Island measures 400,166 hectares in total area. Several large bays totaling 270,600 hectares make up 32.4% of its total area.
It's about three-fourths as big as Tshwane
In other words, 493,059 hectares is 0.77430 times the size of Tshwane, and the size of Tshwane is 1.2910 times that amount.(a.k.a. Pretoria, a.k.a. ePitoli, a.k.a. Jacaranda City) (Gauteng, South Africa) (for Tshwane metro area)
Tshwane, South Africa's executive capital, measures 636,800 hectares in total metro area. The Reserve Bank of South Africa is the city's tallest building at 150 m in height.