How far is Adak Island, AK, from San Francisco, CA?

The distance between San Francisco (San Francisco International Airport) and Adak Island (Adak Airport) is 2772 miles / 4461 kilometers / 2409 nautical miles.

Distance from San Francisco to Adak Island

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

Vincenty's formula (applied above)

• 2772.002 miles
• 4461.105 kilometers
• 2408.804 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

• 2765.544 miles
• 4450.712 kilometers
• 2403.192 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 Adak Island?

The estimated flight time from San Francisco International Airport to Adak Airport is 5 hours and 44 minutes.

What is the time difference between San Francisco and Adak Island?

The time difference between San Francisco and Adak Island is 2 hours. Adak Island is 2 hours behind San Francisco.

Flight carbon footprint between San Francisco International Airport (SFO) and Adak Airport (ADK)

On average, flying from San Francisco to Adak Island generates about 307 kg of CO2 per passenger, and 307 kilograms equals 677 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from San Francisco to Adak Island

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

Airport information

Origin	San Francisco International Airport
City:	San Francisco, CA
Country:	United States
IATA Code:	SFO
ICAO Code:	KSFO
Coordinates:	37°37′8″N, 122°22′30″W

Destination	Adak Airport
City:	Adak Island, AK
Country:	United States
IATA Code:	ADK
ICAO Code:	PADK
Coordinates:	51°52′40″N, 176°38′45″W