Air Miles Calculator

Distance between Seattle, WA (SEA) and Lahaina, HI (JHM)

Flight distance from Seattle to Lahaina (Seattle–Tacoma International Airport – Kapalua Airport) is 2646 miles / 4258 kilometers / 2299 nautical miles. Estimated flight time is 5 hours 30 minutes.

Map of flight path from Seattle to Lahaina.

Shortest flight path between Seattle–Tacoma International Airport (SEA) and Kapalua Airport (JHM).

How far is Lahaina from Seattle?

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

Vincenty's formula (applied above)
  • 2645.960 miles
  • 4258.260 kilometers
  • 2299.277 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
  • 2645.948 miles
  • 4258.240 kilometers
  • 2299.266 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 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

B Kapalua Airport
City: Lahaina, HI
Country: United States Flag of United States
IATA Code: JHM
ICAO Code: PHJH
Coordinates: 20°57′46″N, 156°40′22″W

Time difference and current local times

The time difference between Seattle and Lahaina is 3 hours. Lahaina is 3 hours behind Seattle.

Time Difference

Seattle, WA

 PDT

Lahaina, HI

 HST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 292 kg (644 pounds).

Frequent Flyer Miles Calculator

Seattle (SEA) → Lahaina (JHM).

Distance:
2646
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2646

Round trip?