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

The distance between Chicago (Chicago O'Hare International Airport) and San Francisco (San Francisco International Airport) is 1846 miles / 2971 kilometers / 1604 nautical miles.

The driving distance from Chicago (ORD) to San Francisco (SFO) is 2138 miles / 3441 kilometers, and travel time by car is about 36 hours 59 minutes.

1846
Miles
2971
Kilometers
1604
Nautical miles
3 h 59 min
204 kg

## Distance from Chicago to San Francisco

There are several ways to calculate the distance from Chicago to San Francisco. Here are two standard methods:

Vincenty's formula (applied above)
• 1846.120 miles
• 2971.042 kilometers
• 1604.235 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
• 1841.724 miles
• 2963.967 kilometers
• 1600.414 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 Francisco?

The estimated flight time from Chicago O'Hare International Airport to San Francisco International Airport is 3 hours and 59 minutes.

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

On average, flying from Chicago to San Francisco generates about 204 kg of CO2 per passenger, and 204 kilograms equals 449 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 Francisco

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

## 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 Francisco International Airport
City: San Francisco, CA
Country: United States
IATA Code: SFO
ICAO Code: KSFO
Coordinates: 37°37′8″N, 122°22′30″W