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USA
Singapore
Area Comparison
San Francisco is 6.1x smaller than Singapore
Population Comparison
San Francisco has 6.3x fewer people than Singapore
In terms of area, Singapore is 6.1x the size of San Francisco. Singapore spans 733 km² (283 mi²) while San Francisco covers 121 km² (47 mi²) — a difference of 612 km². You could fit San Francisco inside Singapore approximately 6 times.
To put San Francisco's size in perspective, its area of 121 km² is about 1.2x the size of Paris (city proper). Meanwhile, Singapore at 733 km² is roughly the same size as New York City.
A cultural and financial center in Northern California. Known as "SF", San Francisco covers 121 km² with a population of 0.9 million. The city was established in 1776. San Francisco is known for Golden Gate Bridge, Alcatraz Island, Cable cars, among other attractions. The city's main transit system is the BART & Muni.
San Francisco's 121 km² makes it one of the smallest major US cities by area
A global financial center and city-state in Southeast Asia. Also known as "The Lion City", Singapore has an area of 733 km² and is home to 5.5 million people. The city dates back to 1819. Visitors come for Marina Bay Sands, Gardens by the Bay, Changi Airport, and much more. Getting around is easy with the MRT Singapore.
Singapore is one of only three surviving city-states in the world
San Francisco has a population density of 7,190 people per km² — a densely populated city. Singapore, with 7,435 people per km², is a densely populated city. Both cities have comparable density, though Singapore is slightly more compact.
This comparison spans continents — San Francisco in North America versus Singapore in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
San Francisco has a Mediterranean climate while Singapore experiences tropical rainforest conditions. Winters differ dramatically: Singapore stays around 27°C while San Francisco drops to 10°C. When it's noon in Singapore, it's midnight in San Francisco — a 16-hour time difference.
Size Ratio
San Francisco fits inside Singapore ~6 times
Time Difference
16 hours apart
The straight-line distance from San Francisco to Singapore is 13,582 km (8,440 miles), with an estimated flight time of ~16h 29m. See full distance details, including timezone difference and city facts.
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