How far is London from Houston?
There are several ways to calculate distances between Houston and London. 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).
Estimated flight time from George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR) is 9 hours 39 minutes.
Time difference and current local times
The time difference between Houston and London is 6 hours. London is 6 hours ahead of Houston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 570 kg (1 256 pounds).
Houston to London flight map.
Frequent Flyer Miles Calculator
Houston (IAH) → London (LHR).