Air Miles Calculator

Distance between Seattle, WA (BFI) and Waterloo, IA (ALO)

Flight distance from Seattle to Waterloo (Seattle Boeing Field – Waterloo Regional Airport) is 1494 miles / 2404 kilometers / 1298 nautical miles. Estimated flight time is 3 hours 19 minutes.

Driving distance from Seattle (BFI) to Waterloo (ALO) is 1828 miles / 2942 kilometers and travel time by car is about 29 hours 35 minutes.

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

Shortest flight path between Seattle Boeing Field (BFI) and Waterloo Regional Airport (ALO).

How far is Waterloo from Seattle?

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

Vincenty's formula (applied above)
  • 1493.609 miles
  • 2403.730 kilometers
  • 1297.911 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
  • 1489.705 miles
  • 2397.449 kilometers
  • 1294.519 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 Waterloo Regional Airport
City: Waterloo, IA
Country: United States Flag of United States
IATA Code: ALO
ICAO Code: KALO
Coordinates: 42°33′25″N, 92°24′1″W

Time difference and current local times

The time difference between Seattle and Waterloo is 2 hours. Waterloo is 2 hours ahead of Seattle.

Time Difference

Seattle, WA

 PST

Waterloo, IA

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 179 kg (395 pounds).

Frequent Flyer Miles Calculator

Seattle (BFI) → Waterloo (ALO).

Distance:
1494
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1494

Round trip?