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.
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Charleston - Houston
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  |
| 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 |
| 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
Houston, TX
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 145 kg (321 pounds).
Frequent Flyer Miles Calculator
Charleston (CHS) → Houston (IAH).
In total
Round trip?