London (LHR) to Seattle (SEA) distance
The great-circle distance from London to Seattle is 4,159 nm. Flights usually cover a little more because of airways, winds, and airspace.
Route facts
- From
London (LHR)- Time difference
- Seattle is 8 hours behind London
- Midpoint
- 67.38° N, 65.61° W
- Heading from LHR
- 322° northwest
- Heading from SEA
- 34° northeast
- Farthest north
- 67.5° N
The route looks curved on a flat map because it follows a great circle, the shortest path on a sphere. Read why flight routes curve, or see LHR-SEA on the globe.
Related routes
Los Angeles (LAX) to Seattle (SEA)830 nm- Seattle (SEA) to San Francisco (SFO)590 nm
- New York (JFK) to Seattle (SEA)2,099 nm
- Anchorage (ANC) to Seattle (SEA)1,256 nm
- New York (JFK) to London (LHR)2,991 nm
- Los Angeles (LAX) to London (LHR)4,730 nm
- London (LHR) to Chicago (ORD)3,425 nm
- London (LHR) to San Francisco (SFO)4,652 nm
Distances use the haversine formula with a mean Earth radius of 6,371 km. Information is for reference, not navigation.