# How far is San Diego, CA, from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and San Diego (San Diego International Airport) is 1723 miles / 2773 kilometers / 1497 nautical miles.

The driving distance from Chicago (ORD) to San Diego (SAN) is 2074 miles / 3338 kilometers, and travel time by car is about 36 hours 23 minutes.

1723
Miles
2773
Kilometers
1497
Nautical miles
3 h 45 min
194 kg

## Distance from Chicago to San Diego

There are several ways to calculate the distance from Chicago to San Diego. Here are two standard 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 planet.

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).

## How long does it take to fly from Chicago to San Diego?

The estimated flight time from Chicago O'Hare International Airport to San Diego International Airport is 3 hours and 45 minutes.

## Flight carbon footprint between Chicago O'Hare International Airport (ORD) and San Diego International Airport (SAN)

On average, flying from Chicago to San Diego generates about 194 kg of CO2 per passenger, and 194 kilograms equals 428 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

## Map of flight path and driving directions from Chicago to San Diego

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and San Diego International Airport (SAN).

## Airport information

Origin 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
Destination 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