Map of flight path from Houston to London.
Shortest flight path between Houston George Bush Intercontinental Airport (IAH) and London Heathrow Airport (LHR).
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).
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 562 kg (1 240 pounds).
Frequent Flyer Miles Calculator
Houston (IAH) → London (LHR).