Map of flight path and driving directions from Seattle to Harlingen.
Shortest flight path between Seattle Boeing Field (BFI) and Valley International Airport (HRL).
How far is Harlingen from Seattle?
There are several ways to calculate distances between Seattle and Harlingen. Here are two common methods:Vincenty's formula (applied above)
- 1988.284 miles
- 3199.832 kilometers
- 1727.771 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
- 1988.319 miles
- 3199.890 kilometers
- 1727.802 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).
Time difference and current local times
The time difference between Seattle and Harlingen is 2 hours. Harlingen is 2 hours ahead of Seattle.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 217 kg (478 pounds).
Frequent Flyer Miles Calculator
Seattle (BFI) → Harlingen (HRL).