IAD to LHR Route Guide
Washington D.C., United States → London, United Kingdom
Quick answer
KIAD (Washington D.C., United States) to EGLL (London, United Kingdom) is a 3,186 NM (5,900 km / 3,666 mi) great-circle route with an initial bearing of 49° (NE). Typical cruise altitude FL380, expected flight time 7h 12m, common aircraft: Boeing 757-200, Boeing 737 MAX 8, Airbus A321XLR.
Distance
3,186 NM
5,900 km / 3,666 mi
Initial Bearing
49° (NE)
True heading at departure
Typical Cruise
FL380
38,000 ft
Block Time
7h 12m
Typical jet, no wind correction
Fuel Estimate
11,058 kg
Single-aisle equivalent + reserve
Departure Elevation
313 ft
KIAD
Arrival Elevation
83 ft
EGLL
What aircraft fly this route?
For a 3,186 NM mission, operators typically deploy:
- Boeing 757-200
- Boeing 737 MAX 8
- Airbus A321XLR
- Airbus A330-300
Weather considerations
Pilots flying IAD-LHR should brief METARs and TAFs at both ends, plus any en-route SIGMETs. On this long-range mission, plan for an alternate within fuel reserves and review oceanic / NAT track procedures if applicable.
Frequently asked questions
What is the distance between IAD and LHR?
3,186 nautical miles (5,900 km / 3,666 statute miles) great-circle.
How long is the flight from Washington D.C. to London?
Approximately 7h 12m block-to-block for a typical commercial jet, depending on aircraft type and winds.
What aircraft typically fly IAD-LHR?
Common types include Boeing 757-200, Boeing 737 MAX 8, Airbus A321XLR, Airbus A330-300 depending on operator and demand.
What altitude do flights cruise at?
Most flights at this distance cruise around FL380 (38,000 ft), though winds and traffic affect filed altitude.
What initial heading is the route?
49° true (NE). Track varies along the route due to great-circle curvature.
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