St Mary's (KSM) to London (LHR)
Flight time
≈ 9h 52m
Bearing
12° N
St Mary's (KSM) to London (LHR) is 4,536 miles (7,300 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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Route traffic
No carrier has filed nonstop KSM–LHRservice with the US Department of Transportation. That usually means the route is served with a connection, or only by carriers outside the DOT's reporting scope. The distance, map, and airport detail still apply.
The airports
London
GB
London Heathrow Airport
Coordinates
51.47°N, 0.46°W
Hemisphere
N · W
Frequently asked
How far is St Mary's (KSM) from London (LHR)?
KSM to LHR is 4,536 miles (7,300 km / 3,942 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from KSM to LHR?
A nonstop covers the 4,536-mile great-circle distance in roughly 9h 52m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
Is KSM–LHR a nonstop route?
No US DOT nonstop filings were found for KSM–LHR, so it is typically flown with a connection. The great-circle distance above still applies to the direct path.
What mileage do I earn flying KSM–LHR?
Distance-based programs credit off the 4,536-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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