# Distance between Chicago, IL (ORD) and Santa Maria, CA (SMX)

Flight distance from Chicago to Santa Maria (Chicago O'Hare International Airport – Santa Maria Public Airport) is 1820 miles / 2929 kilometers / 1582 nautical miles. Estimated flight time is 3 hours 56 minutes.

Driving distance from Chicago (ORD) to Santa Maria (SMX) is 2174 miles / 3498 kilometers and travel time by car is about 36 hours 4 minutes.

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

Shortest flight path between Chicago O'Hare International Airport (ORD) and Santa Maria Public Airport (SMX).

## How far is Santa Maria from Chicago?

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

Vincenty's formula (applied above)
• 1820.055 miles
• 2929.095 kilometers
• 1581.585 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
• 1816.213 miles
• 2922.912 kilometers
• 1578.246 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 Santa Maria Public Airport
City: Santa Maria, CA
Country: United States
IATA Code: SMX
ICAO Code: KSMX
Coordinates: 34°53′56″N, 120°27′25″W

## Time difference and current local times

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

CDT

PDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 202 kg (445 pounds).

## Frequent Flyer Miles Calculator

Chicago (ORD) → Santa Maria (SMX).

Distance:
1820
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1820

Round trip?