Delhi
1,484 km²
London
1,572 km²
India
UK
Area Comparison
Delhi is 1.1x smaller than London
Population Comparison
Delhi has 1.9x more people than London
In terms of area, London is 1.1x the size of Delhi. London spans 1,572 km² (607 mi²) while Delhi covers 1,484 km² (573 mi²) — a difference of 88 km².
To put Delhi's size in perspective, its area of 1,484 km² is roughly the same size as London. Meanwhile, London at 1,572 km² is about 1.4x smaller than Tokyo (city proper).
Picture Delhi another way: its area is large enough to fit about 208,000 American football fields, 25 times the area of Manhattan, or 14 times the area of Paris. London works out to about 220,000 American football fields, 27 times the area of Manhattan, or 15 times the area of Paris.
Delhi, officially the National Capital Territory (NCT) of Delhi, is a megacity and a union territory of India containing New Delhi, the capital of India. Straddling the Yamuna river, but spread chiefly to the west, or beyond its right bank, Delhi shares borders with the state of Uttar Pradesh in the east and with the state of Haryana in the remaining directions. Delhi became a union territory on 1 November 1956 and the NCT in 1995. The NCT covers an area of 1,484 square kilometres (573 sq mi).
Known as "City of Djinns", Delhi covers 1,484 km² with a population of 16.8 million. The city was founded around 1500 BC. Delhi is known for Red Fort, India Gate, Qutub Minar, among other attractions. The city's main transit system is the Delhi Metro.
Delhi is a megacity and union territory of India, containing New Delhi, the capital of the country.
London is the capital and largest city of England and the United Kingdom, with a population of 9.1 million people in 2024. Its wider metropolitan area is the largest in Western Europe, with a population of 15.1 million. London stands on the River Thames in southeast England, at the head of a 50-mile (80 km) tidal estuary down to the North Sea, and has been a major settlement for nearly 2,000 years.
Also known as "The Big Smoke", London has an area of 1,572 km² and is home to 9.0 million people. It was established in 43. Visitors come for Big Ben, Tower Bridge, Buckingham Palace, and much more. Getting around is easy with the London Underground.
London has been a major settlement for nearly 2,000 years, tracing its roots back to Roman times around 47 AD.
Looking beyond city limits, the Delhi metropolitan area covers 46,208 km², which is 5.5x larger than greater London at 8,382 km². The Delhi metro area is also more populous, with 32.9 million people compared to 14.3 million.
Delhi has a population density of 11,314 people per km² — an extremely dense urban environment. London, with 5,712 people per km², is a densely populated city. Delhi is noticeably denser, packing 2.0 times more people per square kilometer.
This comparison spans continents — Delhi in Asia versus London in Europe. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Delhi has a humid subtropical climate while London experiences oceanic conditions. Summers are notably different: Delhi averages 34°C compared to 19°C in London. When it's noon in Delhi, it's 6.5:00 AM in London — a 5.5-hour time difference.
Density Gap
Delhi is 2.0x more densely populated
Time Difference
5.5 hours apart
History
Delhi is ~1,543 years older
Delhi covers 1,484 km². Cities with a similar urban footprint include Mexico City (1,485 km²), São Paulo (1,521 km²), Bangkok (1,569 km²), London (1,572 km²), or Bogotá (1,578 km²).
London covers 1,572 km². Cities with a similar urban footprint include Bangkok (1,569 km²), Bogotá (1,578 km²), São Paulo (1,521 km²), Johannesburg (1,644 km²), or Mexico City (1,485 km²).
The straight-line distance from Delhi to London is 6,697 km (4,161 miles), with an estimated flight time of ~8h 23m.
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