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