Air Miles Calculator

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

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

Driving distance from Houston (IAH) to Charleston (CHS) is 1090 miles / 1754 kilometers and travel time by car is about 19 hours 2 minutes.

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

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

How far is Charleston from Houston?

There are several ways to calculate distances between Houston and Charleston. 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 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 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

Time difference and current local times

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

Time Difference

Houston, TX

 CDT

Charleston, SC

 EDT

Carbon dioxide emissions

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

Frequent Flyer Miles Calculator

Houston (IAH) → Charleston (CHS).

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

In total

Total frequent flyer miles:
925

Round trip?