Air Miles Calculator

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

Flight distance from Chicago to San Francisco (Chicago O'Hare International Airport – San Francisco International Airport) is 1846 miles / 2971 kilometers / 1604 nautical miles. Estimated flight time is 3 hours 59 minutes.

Driving distance from Chicago (ORD) to San Francisco (SFO) is 2139 miles / 3442 kilometers and travel time by car is about 34 hours 50 minutes.

Map of flight path and driving directions from Chicago to San Francisco.

Shortest flight path between Chicago O'Hare International Airport (ORD) and San Francisco International Airport (SFO).

How far is San Francisco from Chicago?

There are several ways to calculate distances between Chicago and San Francisco. 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).

Airport information


A Chicago 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

B 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

Time difference and current local times

The time difference between Chicago and San Francisco is 2 hours. San Francisco is 2 hours behind Chicago.

Time Difference

Chicago, IL

 CST

San Francisco, CA

 PST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 204 kg (449 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → San Francisco (SFO).

Distance:
1846
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1846

Round trip?