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How far is Belfast from San Francisco, CA?

The distance between San Francisco (San Francisco International Airport) and Belfast (Belfast International Airport) is 5042 miles / 8115 kilometers / 4382 nautical miles.

San Francisco International Airport – Belfast International Airport

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5042
Miles
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8115
Kilometers
Distance arrow
4382
Nautical miles

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Distance from San Francisco to Belfast

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

Vincenty's formula (applied above)
  • 5042.278 miles
  • 8114.760 kilometers
  • 4381.620 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
  • 5029.151 miles
  • 8093.634 kilometers
  • 4370.213 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 Belfast?

The estimated flight time from San Francisco International Airport to Belfast International Airport is 10 hours and 2 minutes.

Flight carbon footprint between San Francisco International Airport (SFO) and Belfast International Airport (BFS)

On average, flying from San Francisco to Belfast generates about 589 kg of CO2 per passenger, and 589 kilograms equals 1 299 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from San Francisco to Belfast

See the map of the shortest flight path between San Francisco International Airport (SFO) and Belfast International Airport (BFS).

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 Belfast International Airport
City: Belfast
Country: United Kingdom Flag of United Kingdom
IATA Code: BFS
ICAO Code: EGAA
Coordinates: 54°39′27″N, 6°12′56″W