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How far is Singapore from San Francisco, CA?

The distance between San Francisco (San Francisco International Airport) and Singapore (Singapore Changi Airport) is 8446 miles / 13593 kilometers / 7340 nautical miles. The estimated flight time is 16 hours and 29 minutes.

San Francisco International Airport – Singapore Changi Airport

Distance arrow
8446
Miles
Distance arrow
13593
Kilometers
Distance arrow
7340
Nautical miles
Flight time duration
16 h 29 min
CO2 emission
1 064 kg

Distance from San Francisco to Singapore

There are several ways to calculate the distance from San Francisco to Singapore. Here are two standard methods:

Vincenty's formula (applied above)
  • 8446.305 miles
  • 13593.011 kilometers
  • 7339.639 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 8439.184 miles
  • 13581.551 kilometers
  • 7333.451 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from San Francisco to Singapore?

The estimated flight time from San Francisco International Airport to Singapore Changi Airport is 16 hours and 29 minutes.

What is the time difference between San Francisco and Singapore?

The time difference between San Francisco and Singapore is 16 hours. Singapore is 16 hours ahead of San Francisco.

Flight carbon footprint between San Francisco International Airport (SFO) and Singapore Changi Airport (SIN)

On average, flying from San Francisco to Singapore generates about 1 064 kg of CO2 per passenger, and 1 064 kilograms equals 2 346 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from San Francisco to Singapore

Shortest flight path between San Francisco International Airport (SFO) and Singapore Changi Airport (SIN).

Airport information

Origin San Francisco International Airport
City: San Francisco, CA
Country: United States Flag of United States
IATA Code: SFO
ICAO Code: KSFO
Coordinates: 37°37′8″N, 122°22′30″W
Destination Singapore Changi Airport
City: Singapore
Country: Singapore Flag of Singapore
IATA Code: SIN
ICAO Code: WSSS
Coordinates: 1°21′0″N, 103°59′38″E