Distance between San Francisco, CA (SFO) and Chicago, IL (ORD)
Distance from San Francisco to Chicago (San Francisco International Airport – O'Hare International Airport) is 1846 miles / 2971 kilometers / 1604 nautical miles.
Calculate Distance
Search by airport name, city or IATA airport code.
Multiple airports
San Francisco - Chicago
How far is Chicago from San Francisco?
There are several ways to calculate distances between San Francisco and Chicago. Here are two common methods:
Vincenty's formula (applied above)- 1846.120 miles
- 2971.042 kilometers
- 1604.235 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.
Haversine formula- 1841.724 miles
- 2963.967 kilometers
- 1600.414 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).
Flight duration
Estimated flight time from San Francisco International Airport (SFO) to O'Hare International Airport (ORD) is 3 hours 59 minutes.
Time difference and current local times
The time difference between San Francisco and Chicago is 2 hours. Chicago is 2 hours ahead of San Francisco.
Time Difference
San Francisco, CA
Chicago, IL
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 203 kg (448 pounds).
Airport information
| A | 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 |
| B | O'Hare International Airport |
|---|---|
| City: | Chicago, IL |
| Country: | United States |
| IATA Code: | ORD |
| ICAO Code: | KORD |
| Coordinates: | 41°58′42″N, 87°54′17″W |
Map
San Francisco to Chicago flight map.
Frequent Flyer Miles Calculator
San Francisco (SFO) → Chicago (ORD).
In total
Round trip?