Calculations with different methods
- 2036.183 miles
- 3276.918 kilometers
- 1769.394 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
- 2043.336 miles
- 3288.430 kilometers
- 1775.610 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Washington Dulles International Airport (IAD) to Juan Santamaría International Airport (SJO) is 4 hours 21 minutes.
Time difference and current local times
The time difference between Washington D.C. and San Jose is 2 hours. San Jose is 2 hours behind Washington D.C..
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 232 kg (511 pounds).
Washington D.C. to San Jose flight map.
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → San Jose (SJO).