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).
Estimated flight time from San Diego International Airport (SAN) to O'Hare International Airport (ORD) is 3 hours 45 minutes.
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 189 kg (417 pounds).
San Diego to Chicago flight map.
Frequent Flyer Miles Calculator
San Diego (SAN) → Chicago (ORD).