Distance between London (LHR) and Houston, TX (IAH)
Flight distance from London to Houston (London Heathrow Airport – Houston George Bush Intercontinental Airport) is 4834 miles / 7779 kilometers / 4201 nautical miles. Estimated flight time is 9 hours 39 minutes.
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London - Houston
Map of flight path from London to Houston.
Shortest flight path between London Heathrow Airport (LHR) and Houston George Bush Intercontinental Airport (IAH).
How far is Houston from London?
There are several ways to calculate distances between London and Houston. Here are two common methods:
Vincenty's formula (applied above)- 4833.949 miles
- 7779.487 kilometers
- 4200.587 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- 4823.699 miles
- 7762.991 kilometers
- 4191.680 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 | London Heathrow Airport |
|---|---|
| City: | London |
| Country: | United Kingdom  |
| IATA Code: | LHR |
| ICAO Code: | EGLL |
| Coordinates: | 51°28′14″N, 0°27′42″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 London and Houston is 6 hours. Houston is 6 hours behind London.
Time Difference
London
Houston, TX
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 562 kg (1 240 pounds).
Frequent Flyer Miles Calculator
London (LHR) → Houston (IAH).
In total
Round trip?