# Distance between Houston, TX (HOU) and Walla Walla, WA (ALW)

Flight distance from Houston to Walla Walla (Houston William P. Hobby Airport – Walla Walla Regional Airport) is 1682 miles / 2708 kilometers / 1462 nautical miles. Estimated flight time is 3 hours 41 minutes.

Driving distance from Houston (HOU) to Walla Walla (ALW) is 2122 miles / 3415 kilometers and travel time by car is about 35 hours 29 minutes.

## Map of flight path and driving directions from Houston to Walla Walla.

Shortest flight path between Houston William P. Hobby Airport (HOU) and Walla Walla Regional Airport (ALW).

## How far is Walla Walla from Houston?

There are several ways to calculate distances between Houston and Walla Walla. Here are two common methods:

Vincenty's formula (applied above)
• 1682.478 miles
• 2707.686 kilometers
• 1462.033 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
• 1681.683 miles
• 2706.406 kilometers
• 1461.342 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 Houston William P. Hobby Airport
City: Houston, TX
Country: United States
IATA Code: HOU
ICAO Code: KHOU
Coordinates: 29°38′43″N, 95°16′44″W

B Walla Walla Regional Airport
City: Walla Walla, WA
Country: United States
IATA Code: ALW
ICAO Code: KALW
Coordinates: 46°5′41″N, 118°17′16″W

## Time difference and current local times

The time difference between Houston and Walla Walla is 2 hours. Walla Walla is 2 hours behind Houston.

CST

PST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 191 kg (422 pounds).

## Frequent Flyer Miles Calculator

Houston (HOU) → Walla Walla (ALW).

Distance:
1682
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1682

Round trip?