City of London Guide - A Self-Guided Tour of the Square Mile in London
Seven Square Miles
1000 square mile (1609 km) map for a fantasy world I've been working on. : r/worldbuilding
In the Square Mile, all the pieces matter to City of London prosperity - CityAM
Seven Square Miles, as Captured on Google Earth - The Atlantic
Maps Mania: How Big is Big?
Convert Square Feet to Square Miles
Gunnar Heinsohn: Finding Bede's Missing Metropolis – Part One
How much solar would it take to power the U.S.?