How far is Hachijojima from Seattle?
There are several ways to calculate distances between Seattle and Hachijojima. Here are two common methods:Vincenty's formula (applied above)
- 4921.204 miles
- 7919.909 kilometers
- 4276.409 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
- 4909.840 miles
- 7901.622 kilometers
- 4266.535 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).
Estimated flight time from Seattle–Tacoma International Airport (SEA) to Hachijojima Airport (HAC) is 9 hours 49 minutes.
Time difference and current local times
The time difference between Seattle and Hachijojima is 17 hours. Hachijojima is 17 hours ahead of Seattle.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 581 kg (1 281 pounds).
Seattle to Hachijojima flight map.
Frequent Flyer Miles Calculator
Seattle (SEA) → Hachijojima (HAC).