Calculations with different methods
- 1635.192 miles
- 2631.586 kilometers
- 1420.943 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
- 1632.460 miles
- 2627.190 kilometers
- 1418.569 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from San Francisco International Airport (SFO) to George Bush Intercontinental Airport (IAH) is 3 hours 35 minutes.
Time difference and current local times
The time difference between San Francisco and Houston is 2 hours. Houston is 2 hours ahead of San Francisco.
San Francisco, CA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 195 kg (430 pounds).
San Francisco to Houston flight map.
Frequent Flyer Miles Calculator
San Francisco (SFO) → Houston (IAH).