Air Miles Calculator

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 Flag of 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 Flag of 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.

Time Difference

Seattle, WA

 PDT

Laredo, TX

 CDT

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?