Map of flight path and driving directions from San Diego to Chicago.
Shortest flight path between San Diego International Airport (SAN) and Chicago O'Hare International Airport (ORD).
How far is Chicago from San Diego?
There are several ways to calculate distances between San Diego and Chicago. Here are two common methods:Vincenty's formula (applied above)
- 1723.040 miles
- 2772.963 kilometers
- 1497.280 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
- 1720.000 miles
- 2768.072 kilometers
- 1494.639 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).
Time difference and current local times
The time difference between San Diego and Chicago is 2 hours. Chicago is 2 hours ahead of San Diego.
San Diego, CA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 194 kg (428 pounds).
Frequent Flyer Miles Calculator
San Diego (SAN) → Chicago (ORD).