# Distance between Houston, TX (HOU) and Baltimore, MD (BWI)

Flight distance from Houston to Baltimore (Houston William P. Hobby Airport – Baltimore–Washington International Airport) is 1246 miles / 2005 kilometers / 1083 nautical miles. Estimated flight time is 2 hours 51 minutes.

Driving distance from Houston (HOU) to Baltimore (BWI) is 1447 miles / 2328 kilometers and travel time by car is about 25 hours 16 minutes.

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

Shortest flight path between Houston William P. Hobby Airport (HOU) and Baltimore–Washington International Airport (BWI).

## How far is Baltimore from Houston?

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

Vincenty's formula (applied above)
• 1245.944 miles
• 2005.152 kilometers
• 1082.696 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
• 1244.807 miles
• 2003.323 kilometers
• 1081.708 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 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 Baltimore–Washington International Airport
City: Baltimore, MD
Country: United States
IATA Code: BWI
ICAO Code: KBWI
Coordinates: 39°10′31″N, 76°40′5″W

## Time difference and current local times

The time difference between Houston and Baltimore is 1 hour. Baltimore is 1 hour ahead of Houston.

CDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 163 kg (360 pounds).

## Frequent Flyer Miles Calculator

Houston (HOU) → Baltimore (BWI).

Distance:
1246
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1246

Round trip?