How far is Decatur, IL, from San Francisco, CA?
The distance between San Francisco (San Francisco International Airport) and Decatur (Decatur Airport) is 1806 miles / 2907 kilometers / 1570 nautical miles.
The driving distance from San Francisco (SFO) to Decatur (DEC) is 2095 miles / 3372 kilometers, and travel time by car is about 36 hours 35 minutes.
San Francisco International Airport – Decatur Airport
Search flights
Distance from San Francisco to Decatur
There are several ways to calculate the distance from San Francisco to Decatur. 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 San Francisco to Decatur?
The estimated flight time from San Francisco International Airport to Decatur Airport is 3 hours and 55 minutes.
What is the time difference between San Francisco and Decatur?
Flight carbon footprint between San Francisco International Airport (SFO) and Decatur Airport (DEC)
On average, flying from San Francisco to Decatur 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 San Francisco to Decatur
See the map of the shortest flight path between San Francisco International Airport (SFO) and Decatur Airport (DEC).
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 | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |