Air Miles Calculator

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

Distance from San Francisco International Airport to O'Hare 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

 PST

Chicago, IL

 CST

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

Flight map from San Francisco to Chicago.

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?