# Distance between Seattle, WA (BFI) and Laredo, TX (LRD)

Flight distance from Seattle to Laredo (Seattle Boeing Field – Laredo International Airport) is 1850 miles / 2977 kilometers / 1607 nautical miles. Estimated flight time is 4 hours 0 minutes.

Driving distance from Seattle (BFI) to Laredo (LRD) is 2202 miles / 3544 kilometers and travel time by car is about 39 hours 38 minutes.

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

Shortest flight path between Seattle Boeing Field (BFI) and Laredo International Airport (LRD).

## How far is Laredo from Seattle?

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

Vincenty's formula (applied above)
• 1849.566 miles
• 2976.588 kilometers
• 1607.229 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
• 1849.535 miles
• 2976.538 kilometers
• 1607.202 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 Laredo International Airport
City: Laredo, TX
Country: United States
IATA Code: LRD
ICAO Code: KLRD
Coordinates: 27°32′37″N, 99°27′41″W

## Time difference and current local times

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

PST

CST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 204 kg (450 pounds).

## Frequent Flyer Miles Calculator

Seattle (BFI) → Laredo (LRD).

Distance:
1850
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1850

Round trip?