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How far is San Francisco, CA, from Decatur, IL?

The distance between Decatur (Decatur Airport) and San Francisco (San Francisco International Airport) is 1806 miles / 2907 kilometers / 1570 nautical miles.

The driving distance from Decatur (DEC) to San Francisco (SFO) is 2100 miles / 3379 kilometers, and travel time by car is about 36 hours 38 minutes.

Decatur Airport – San Francisco International Airport

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1806
Miles
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2907
Kilometers
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1570
Nautical miles

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Distance from Decatur to San Francisco

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

Vincenty's formula (applied above)
  • 1806.473 miles
  • 2907.236 kilometers
  • 1569.782 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
  • 1802.142 miles
  • 2900.267 kilometers
  • 1566.019 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 Decatur to San Francisco?

The estimated flight time from Decatur Airport to San Francisco International Airport is 3 hours and 55 minutes.

Flight carbon footprint between Decatur Airport (DEC) and San Francisco International Airport (SFO)

On average, flying from Decatur to San Francisco generates about 201 kg of CO2 per passenger, and 201 kilograms equals 442 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Decatur to San Francisco

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

Airport information

Origin Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W
Destination 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