Calculations with different methods
- 2115.558 miles
- 3404.661 kilometers
- 1838.370 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
- 2117.631 miles
- 3407.996 kilometers
- 1840.171 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 Cyril E. King Airport (STT) is 4 hours 30 minutes.
Time difference and current local times
The time difference between Chicago and Saint Thomas is 2 hours. Saint Thomas is 2 hours ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 240 kg (528 pounds).
Chicago to Saint Thomas flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Saint Thomas (STT).