It's about 55 times as big as Gibraltar.
In other words, the size of Gibraltar is 0.019 times 349,900 dunams.(British overseas territory) (total area)
The British overseas territory Gibraltar is located at the southern tip of Spain overlooking the Mediterranean Sea at the Strait of Gibraltar and measures of 6,500 dunams in total area. It is renowned as the home of the Rock of Gibraltar (a.k.a. Calpe, a.k.a. Jabal al Tariq), a well-known tourist attraction.
It's about one-fifty-fifth as big as Lake Ontario.
In other words, 349,900 dunams is 0.01845 times the size of Lake Ontario, and the size of Lake Ontario is 54.20 times that amount.(a.k.a. Lac Ontario) (surface area)
The smallest of North America's Great Lakes (by surface area), Lake Ontario has a total area of 18,960,000 dunams. It borders the cities of Toronto, Ontario, Canada and Rochester, New York.
It's about 55 times as big as Crawford Ranch.
In other words, 349,900 dunams is 54.620 times the size of Crawford Ranch, and the size of Crawford Ranch is 0.01831 times that amount.(a.k.a. Prairie Chapel Ranch, a.k.a. Western White House) (Crawford, Texas)
Crawford Ranch, the private estate of President George W. Bush, is a 6,406 dunams estate, which, in addition to the house itself and its outbuildings, features seven canyons, three miles of river frontage and a man-made fish pond.
It's about one-sixtieth as big as Wales.
In other words, 349,900 dunams is 0.016877 times the size of Wales, and the size of Wales is 59.2520 times that amount.(a.k.a. Cymru) (total area)
The area of the country of Wales (in the United Kingdom) is 20,732,000 dunams. More than 764,700 dunams, or about 4% of the country's land area, is made up of the fifty-plus islands in the Irish and Celtic Seas off the coast of the Welsh mainland.
It's about one-sixty-fifth as big as New Jersey.
In other words, 349,900 dunams is 0.0154905 times the size of New Jersey, and the size of New Jersey is 64.55570 times that amount.(United States)
The "Garden State," New Jersey measures 22,588,100 dunams in total area. The Garden State Parkway — the busiest toll highway in the country — runs the 277 km (172 mi) length of New Jersey's coast.
It's about one-seventieth as big as New Hampshire.
In other words, 349,900 dunams is 0.014449 times the size of New Hampshire, and the size of New Hampshire is 69.20890 times that amount.(United States)
The "Granite State," New Hampshire measures 24,216,200 dunams in total area. New Hampshire's western border with Vermont is marked by the Connecticut River — the longest river in New England with a length of 655 km (407 mi).
It's about one-seventieth as big as Vermont.