Air Miles Calculator

Distance between San Francisco, CA (SFO) and Chicago, IL (ORD)

Distance from San Francisco to Chicago (O'Hare International Airport – San Francisco International Airport) is 1846 miles / 2971 kilometers / 1604 nautical miles.

Calculations with different 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).

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
Chicago

San Francisco, CA

 PDT

Chicago, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 214 kg (472 pounds).

Airport information


A 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

B O'Hare International Airport
City: Chicago, IL
Country: United States Flag of 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).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1846
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1846

Round trip?