# Distance between San Diego, CA (SAN) and Chicago, IL (ORD)

Flight distance from San Diego to Chicago (San Diego International Airport – Chicago O'Hare International Airport) is 1723 miles / 2773 kilometers / 1497 nautical miles. Estimated flight time is 3 hours 45 minutes.

Driving distance from San Diego (SAN) to Chicago (ORD) is 2075 miles / 3340 kilometers and travel time by car is about 34 hours 15 minutes.

## 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).

## 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 Chicago 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

## 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.

PDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 194 kg (428 pounds).

## Frequent Flyer Miles Calculator

San Diego (SAN) → Chicago (ORD).

Distance:
1723
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1723

Round trip?