# Distance between Seattle, WA (BFI) and Butte, MT (BTM)

Flight distance from Seattle to Butte (Seattle Boeing Field – Bert Mooney Airport) is 478 miles / 769 kilometers / 415 nautical miles. Estimated flight time is 1 hour 24 minutes.

Driving distance from Seattle (BFI) to Butte (BTM) is 601 miles / 967 kilometers and travel time by car is about 10 hours 4 minutes.

## Map of flight path and driving directions from Seattle to Butte.

Shortest flight path between Seattle Boeing Field (BFI) and Bert Mooney Airport (BTM).

## How far is Butte from Seattle?

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

Vincenty's formula (applied above)
• 477.785 miles
• 768.921 kilometers
• 415.184 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
• 476.482 miles
• 766.823 kilometers
• 414.051 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
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B Bert Mooney Airport
City: Butte, MT
Country: United States
IATA Code: BTM
ICAO Code: KBTM
Coordinates: 45°57′17″N, 112°29′49″W

## Time difference and current local times

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

PDT

MDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 96 kg (211 pounds).

## Frequent Flyer Miles Calculator

Seattle (BFI) → Butte (BTM).

Distance:
478
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
478

Round trip?