Air Miles Calculator

Distance between Seattle, WA (BFI) and Nantucket, MA (ACK)

Flight distance from Seattle to Nantucket (Seattle Boeing Field – Nantucket Memorial Airport) is 2573 miles / 4140 kilometers / 2236 nautical miles. Estimated flight time is 5 hours 22 minutes.

Driving distance from Seattle (BFI) to Nantucket (ACK) is 3084 miles / 4964 kilometers and travel time by car is about 54 hours 43 minutes.

Map of flight path and driving directions from Seattle to Nantucket.

Shortest flight path between Seattle Boeing Field (BFI) and Nantucket Memorial Airport (ACK).

How far is Nantucket from Seattle?

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

Vincenty's formula (applied above)
  • 2572.603 miles
  • 4140.203 kilometers
  • 2235.531 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
  • 2565.781 miles
  • 4129.224 kilometers
  • 2229.602 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 Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B Nantucket Memorial Airport
City: Nantucket, MA
Country: United States Flag of United States
IATA Code: ACK
ICAO Code: KACK
Coordinates: 41°15′11″N, 70°3′36″W

Time difference and current local times

The time difference between Seattle and Nantucket is 3 hours. Nantucket is 3 hours ahead of Seattle.

Time Difference

Seattle, WA

 PDT

Nantucket, MA

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 284 kg (625 pounds).

Frequent Flyer Miles Calculator

Seattle (BFI) → Nantucket (ACK).

Distance:
2573
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2573

Round trip?