Go to AirRouting.com.
Enter OGG in the Departure Location field. OGG is Maui's airport code. Enter SEA in the Arrival Location field. SEA is the airport code for SeaTac Airport in Seattle.
Click the Submit button to display the number of miles between Maui and Seattle.
Go to WebFlyer.com and navigate to their mileage calculator tool.
Enter OGG in the Departing From field. Enter SEA in the Then Flying To field.
Click the How Far? button to display the number of miles between Maui and Seattle.
Go to TravelMath.com and navigate to the flight distance tool.
Enter Maui in the From field and Seattle in the To field.
Click the Calculate button to display the number of miles between Maui and Seattle.