Province · Canada
How Big Is Ontario?
Ontario covers about 1,076,395 km² (415,598 sq mi). That's about the same size as Colombia.
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Ontario
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How Ontario Compares
South Australia
about the same size
British Columbia
14% larger
Northwest Territories
20% smaller
Northern Territory
20% smaller
New South Wales
34% larger
Quebec
30% smaller
Colombia
about the same size
Egypt
about the same size
South Africa
12% smaller
Tanzania
14% larger
Mali
13% smaller
Angola
14% smaller
Canada
9× smaller
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Questions About the Size of Ontario
How big is Ontario?
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Ontario covers about 1,076,395 km² (415,598 sq mi).
Is Ontario bigger than Colombia?
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Not quite. They're about the same size: Ontario covers 1,076,395 km² (415,598 sq mi) and Colombia 1,138,910 km² (439,735 sq mi).
Which is bigger, Ontario or South Australia?
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They're about the same size, but Ontario is slightly bigger: 1,076,395 km² (415,598 sq mi) against 984,321 km² (380,048 sq mi).
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