# Distance between Chicago, IL (ORD) and Santa Rosa, CA (STS)

Flight distance from Chicago to Santa Rosa (Chicago O'Hare International Airport – Charles M. Schulz–Sonoma County Airport) is 1848 miles / 2974 kilometers / 1606 nautical miles. Estimated flight time is 3 hours 59 minutes.

Driving distance from Chicago (ORD) to Santa Rosa (STS) is 2142 miles / 3447 kilometers and travel time by car is about 34 hours 55 minutes.

## Map of flight path and driving directions from Chicago to Santa Rosa.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Charles M. Schulz–Sonoma County Airport (STS).

## How far is Santa Rosa from Chicago?

There are several ways to calculate distances between Chicago and Santa Rosa. Here are two common methods:

Vincenty's formula (applied above)
• 1848.190 miles
• 2974.374 kilometers
• 1606.033 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
• 1843.668 miles
• 2967.096 kilometers
• 1602.104 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 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

B Charles M. Schulz–Sonoma County Airport
City: Santa Rosa, CA
Country: United States
IATA Code: STS
ICAO Code: KSTS
Coordinates: 38°30′32″N, 122°48′46″W

## Time difference and current local times

The time difference between Chicago and Santa Rosa is 2 hours. Santa Rosa is 2 hours behind Chicago.

CDT

PDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 204 kg (450 pounds).

## Frequent Flyer Miles Calculator

Chicago (ORD) → Santa Rosa (STS).

Distance:
1848
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1848

Round trip?