It's about one-third as big as Philadelphia
In other words, 30,000 acres is 0.347 times the size of Philadelphia, and the size of Philadelphia is 2.882 times that amount.(a.k.a. Philly, a.k.a. The City of Brotherly Love) (Pennsylvania)
The largest city in Pennsylvania as of 2009 and at one time the second-largest city in the British Empire, Philadelphia measures 86,460 acres in total area. The city is known as a center of great historical importance and as the one-time capital of the United States.
It's about one-third as big as Detroit
In other words, 30,000 acres is 0.3377 times the size of Detroit, and the size of Detroit is 2.961 times that amount.(Michigan)
The largest city in Michigan as of 2009, Detroit measures 88,830 acres in total area. The city is known for its automotive industry and its popular music legacies in the soul, hip hop, pop, and rhythm & blues genres
It's about three-tenths as big as The Isle of Wight
In other words, 30,000 acres is 0.313 times the size of The Isle of Wight, and the size of The Isle of Wight is 3.19 times that amount.(England, United Kingdom)
The Isle of Wight, located in the English Channel, just off the English mainland, measures 95,900 acres in total area. The Island hosts the world's largest and longest-running regular regatta — Cowes Week — which has brought over 1,000 yachts to the island each August since 1812.
It's about one-fourth as big as San Jose
In other words, 30,000 acres is 0.268 times the size of San Jose, and the size of San Jose is 3.73 times that amount.(a.k.a. Capital of Silicon Valley) (California)
The third-largest city in California as of 2009, San Jose measures 112,000 acres in total area. The city is known for its large technology industry.
It's about four times as big as Inis Mór
In other words, 30,000 acres is 3.9 times the size of Inis Mór, and the size of Inis Mór is 0.26 times that amount.(a.k.a. Inishmore, a.k.a. Árainn Mhór, a.k.a. Inis Bant, a.k.a. Árainn na Naomh) (Connacht, Ireland)
The largest of the Aran Islands, Inis Mór measures 7,700 acres. The west side of the island is home to the Poll na bPéist, a.k.a. the wormhole, a naturally-formed, 0.072 acres, rectangular pool on the island's cliffside.
It's about one-fifth as big as The Isle of Man
In other words, 30,000 acres is 0.212 times the size of The Isle of Man, and the size of The Isle of Man is 4.72 times that amount.(a.k.a. Mannin, a.k.a. Ellan Vannin, a.k.a. Mann)
The Isle of Man, a self-governing territory of England, measures 141,000 acres in total area. The territory of the Isle of Man also includes the small island of Chicken Rock, which adds an additional 0.2470 acres.
It's about one-fifth as big as Chicago
In other words, 30,000 acres is 0.2064 times the size of Chicago, and the size of Chicago is 4.845 times that amount.(a.k.a. The Windy City, a.k.a. Chi-town, a.k.a. Second City, a.k.a. Chicagoland) (Illinois)
The largest city in Illinois and the twenty-third-largest city in the United States as of 2009, Chicago measures 145,300 acres in total area. The city is known as a major Global Financial Center and as host to O'Hare International, the second busiest airport in the world.