Air Miles Calculator

Distance between Houston, TX (IAH) and Baltimore, MD (BWI)

Flight distance from Houston to Baltimore (Houston George Bush Intercontinental Airport – Baltimore–Washington International Airport) is 1235 miles / 1988 kilometers / 1073 nautical miles. Estimated flight time is 2 hours 50 minutes.

Driving distance from Houston (IAH) to Baltimore (BWI) is 1455 miles / 2341 kilometers and travel time by car is about 25 hours 22 minutes.

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

Shortest flight path between Houston George Bush Intercontinental Airport (IAH) 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)
  • 1235.142 miles
  • 1987.769 kilometers
  • 1073.309 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
  • 1233.914 miles
  • 1985.792 kilometers
  • 1072.242 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 George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W

B Baltimore–Washington International Airport
City: Baltimore, MD
Country: United States Flag of 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.

Time Difference

Houston, TX

 CDT

Baltimore, MD

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 163 kg (359 pounds).

Frequent Flyer Miles Calculator

Houston (IAH) → Baltimore (BWI).

Distance:
1235
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1235

Round trip?