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USA
UK
Area Comparison
Boston is 6.8x smaller than London
Population Comparison
Boston has 13.2x fewer people than London
London is significantly larger, covering 6.8 times the area of Boston. London spans 1,572 km² (607 mi²) while Boston covers 232 km² (90 mi²) — a difference of 1,340 km². You could fit Boston inside London approximately 6 times.
To put Boston's size in perspective, its area of 232 km² is roughly the same size as Amsterdam. Meanwhile, London at 1,572 km² is about 1.4x smaller than Tokyo (city proper).
A historic city and academic center in the northeastern US. Known as "Beantown", Boston covers 232 km² with a population of 0.7 million. The city was established in 1630. Boston is known for Harvard & MIT, Freedom Trail, Fenway Park, among other attractions. The city's main transit system is the MBTA (The T).
Boston's subway system (the T) opened in 1897, making it the oldest subway in North America
Capital of England and the United Kingdom. Also known as "The Big Smoke", London has an area of 1,572 km² and is home to 9.0 million people. The city dates back to 43. Visitors come for Big Ben, Tower of London, Buckingham Palace, and much more. Getting around is easy with the London Underground.
London was the first city to have an underground railway, opening in 1863
Looking beyond city limits, the Boston metropolitan area covers 11,700 km², which is 1.4x larger than greater London at 8,382 km². The London metro area is also more populous, with 14.3 million people compared to 4.9 million.
Boston has a population density of 2,931 people per km² — a moderately dense city. London, with 5,712 people per km², is a densely populated city. London is noticeably denser, packing 1.9 times more people per square kilometer.
This comparison spans continents — Boston in North America versus London in Europe. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Boston has a humid continental climate while London experiences oceanic conditions. When it's noon in London, it's 7:00 AM in Boston — a 5-hour time difference.
Size Ratio
Boston fits inside London ~6 times
Density Gap
London is 1.9x more densely populated
Time Difference
5 hours apart
History
London is ~1,587 years older
The straight-line distance from Boston to London is 5,264 km (3,271 miles), with an estimated flight time of ~6h 42m. See full distance details, including timezone difference and city facts.
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