Air Miles Calculator

Distance between Seattle, WA (BFI) and Billings, MT (BIL)

Distance from Seattle to Billings (Boeing Field – Billings Logan International Airport) is 664 miles / 1069 kilometers / 577 nautical miles.

How far is Billings from Seattle?

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

Vincenty's formula (applied above)
  • 664.045 miles
  • 1068.677 kilometers
  • 577.040 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
  • 662.195 miles
  • 1065.700 kilometers
  • 575.432 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).

Flight duration

Estimated flight time from Boeing Field (BFI) to Billings Logan International Airport (BIL) is 1 hour 45 minutes.

Time difference and current local times

The time difference between Seattle and Billings is 1 hour. Billings is 1 hour ahead of Seattle.

Time Difference

Seattle
Billings

Seattle, WA

 PDT

Billings, MT

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 121 kg (266 pounds).

Airport information


A 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 Billings Logan International Airport
City: Billings, MT
Country: United States Flag of United States
IATA Code: BIL
ICAO Code: KBIL
Coordinates: 45°48′27″N, 108°32′34″W

Seattle to Billings flight path

Shortest flight path between Boeing Field (BFI) and Billings Logan International Airport (BIL).

Frequent Flyer Miles Calculator

Seattle (BFI) → Billings (BIL).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
664
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
664

Round trip?