Air Miles Calculator

Distance between Reykjavik (KEF) and Seattle, WA (SEA)

Flight distance from Reykjavik to Seattle (Keflavík International Airport – Seattle–Tacoma International Airport) is 3622 miles / 5830 kilometers / 3148 nautical miles. Estimated flight time is 7 hours 21 minutes.

Map of flight path from Reykjavik to Seattle.

Shortest flight path between Keflavík International Airport (KEF) and Seattle–Tacoma International Airport (SEA).

How far is Seattle from Reykjavik?

There are several ways to calculate distances between Reykjavik and Seattle. Here are two common methods:

Vincenty's formula (applied above)
  • 3622.365 miles
  • 5829.632 kilometers
  • 3147.749 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
  • 3611.004 miles
  • 5811.348 kilometers
  • 3137.877 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).

Airport information


A Keflavík International Airport
City: Reykjavik
Country: Iceland Flag of Iceland
IATA Code: KEF
ICAO Code: BIKF
Coordinates: 63°59′6″N, 22°36′20″W

B Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W

Time difference and current local times

The time difference between Reykjavik and Seattle is 7 hours. Seattle is 7 hours behind Reykjavik.

Time Difference

Reykjavik

 GMT

Seattle, WA

 PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 410 kg (903 pounds).

Frequent Flyer Miles Calculator

Reykjavik (KEF) → Seattle (SEA).

Distance:
3622
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
3622

Round trip?