Sears Tower

Coordinates: 41.878859N   87.63602W 27 skyscrapers in a circle of one square kilometre
22nd tallest in the world
22nd tallest on the Northern Hemisphere
2nd tallest in North America
2nd tallest in the United States
Tallest in Chicago

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Tallest built in 1974
Tallest built in North America in 1974
Tallest built in the United States in 1974
Tallest built in Chicago in 1974

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609th most northern skyscraper
7046th most southern skyscraper
325th most western skyscraper
7330th most eastern skyscraper

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Tallest within 1 kilometre
Tallest within 10 kilometres
Tallest within 100 kilometres
Tallest within 1000 kilometres
2nd tallest within 2000 kilometres
2nd tallest within 5000 kilometres

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Most floors within 1 kilometre
Most floors within 10 kilometres
Most floors within 100 kilometres
Most floors within 1000 kilometres
Most floors within 2000 kilometres
Most floors within 5000 kilometres

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1147 kilometres from the closest taller building
1147 kilometres from the closest at least as tall building

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1145 kilometres from the next skyscraper over 400 metres
1.38 kilometres from the next skyscraper over 1000 feet
159 metres from the next skyscraper over 200 metres
135 metres from the next skyscraper

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10522 kilometres from the closest skyscraper with more floors
10522 kilometres from the closest skyscraper with at least as many floors
159 metres from the closest skyscraper with at least 50 floors
159 metres from the closest skyscraper with at least 60 floors
877 metres from the closest skyscraper with at least 70 floors
1.38 kilometres from the closest skyscraper with at least 80 floors
1.38 kilometres from the closest skyscraper with at least 90 floors
2.47 kilometres from the closest skyscraper with at least 100 floors