Air Miles Calculator

Distance between Sioux City, IA (SUX) and Laredo, TX (LRD)

Flight distance from Sioux City to Laredo (Sioux Gateway Airport – Laredo International Airport) is 1039 miles / 1672 kilometers / 903 nautical miles. Estimated flight time is 2 hours 28 minutes.

Driving distance from Sioux City (SUX) to Laredo (LRD) is 1184 miles / 1906 kilometers and travel time by car is about 20 hours 3 minutes.

Map of flight path and driving directions from Sioux City to Laredo.

Shortest flight path between Sioux Gateway Airport (SUX) and Laredo International Airport (LRD).

How far is Laredo from Sioux City?

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

Vincenty's formula (applied above)
  • 1038.882 miles
  • 1671.918 kilometers
  • 902.763 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
  • 1041.119 miles
  • 1675.519 kilometers
  • 904.708 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 Sioux Gateway Airport
City: Sioux City, IA
Country: United States Flag of United States
IATA Code: SUX
ICAO Code: KSUX
Coordinates: 42°24′9″N, 96°23′3″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

There is no time difference between Sioux City and Laredo.

Time Difference

Sioux City, IA

 CST

Laredo, TX

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 153 kg (338 pounds).

Frequent Flyer Miles Calculator

Sioux City (SUX) → Laredo (LRD).

Distance:
1039
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1039

Round trip?