Distance between San Diego, CA (SAN) and Chicago, IL (ORD)
Distance from San Diego to Chicago (San Diego International Airport – O'Hare International Airport) is 1723 miles / 2773 kilometers / 1497 nautical miles.
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San Diego - Chicago
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).
Flight duration
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.
Time Difference
San Diego, CA
Chicago, IL
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 189 kg (417 pounds).
Airport information
| A | San Diego International Airport |
|---|---|
| City: | San Diego, CA |
| Country: | United States  |
| IATA Code: | SAN |
| ICAO Code: | KSAN |
| Coordinates: | 32°44′0″N, 117°11′24″W |
| B | O'Hare International Airport |
|---|---|
| City: | Chicago, IL |
| Country: | United States |
| IATA Code: | ORD |
| ICAO Code: | KORD |
| Coordinates: | 41°58′42″N, 87°54′17″W |
Map
San Diego to Chicago flight map.
Frequent Flyer Miles Calculator
San Diego (SAN) → Chicago (ORD).
In total
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