# 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
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
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.

PST

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?