Air Miles Calculator

Distance between Charleston, SC (CHS) and Houston, TX (IAH)

Flight distance from Charleston to Houston (Charleston International Airport – Houston George Bush Intercontinental Airport) is 925 miles / 1489 kilometers / 804 nautical miles. Estimated flight time is 2 hours 15 minutes.

Driving distance from Charleston (CHS) to Houston (IAH) is 1075 miles / 1730 kilometers and travel time by car is about 18 hours 56 minutes.

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

Shortest flight path between Charleston International Airport (CHS) and Houston George Bush Intercontinental Airport (IAH).

How far is Houston from Charleston?

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

Vincenty's formula (applied above)
  • 924.914 miles
  • 1488.504 kilometers
  • 803.728 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
  • 923.252 miles
  • 1485.830 kilometers
  • 802.284 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 Charleston International Airport
City: Charleston, SC
Country: United States Flag of United States
IATA Code: CHS
ICAO Code: KCHS
Coordinates: 32°53′54″N, 80°2′25″W

B 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

Time difference and current local times

The time difference between Charleston and Houston is 1 hour. Houston is 1 hour behind Charleston.

Time Difference

Charleston, SC

 EST

Houston, TX

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 145 kg (321 pounds).

Frequent Flyer Miles Calculator

Charleston (CHS) → Houston (IAH).

Distance:
925
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
925

Round trip?