Calculations with different methods
- 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).
Estimated flight time from O'Hare International Airport (ORD) to Santa Maria Public Airport (SMX) is 3 hours 56 minutes.
Time difference and current local times
The time difference between Chicago and Santa Maria is 2 hours. Santa Maria is 2 hours behind Chicago.
Santa Maria, CA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 212 kg (466 pounds).
Chicago to Santa Maria flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Santa Maria (SMX).