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GRF to NHT: distance & flight time
Fort Lewis (Gray Army Air Field) → Northolt (RAF Northolt)
4,811 mi
7,742 km · 4,180 nm
9h 54m
estimated nonstop flight time
+8h
time difference · heading northeast
See live GRF→NHT fares Phone-only fares on this route — call free
Flight time details
4,811 miles nonstop takes roughly 9h 54m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- GRF — Gray Army Air Field · Fort Lewis, United States
- NHT — RAF Northolt · Northolt, United Kingdom
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near GRF
- SEA · Seattle Tacoma International Airport29 mi away
- TCM · McChord Air Force Base6 mi away
- TIW · Tacoma Narrows Airport13 mi away
- OLM · Olympia Regional Airport17 mi away
Near NHT
- LHR · London Heathrow Airport6 mi away
- LGW · London Gatwick Airport30 mi away
- HYC · Wycombe Air Park17 mi away
- LCY · London City Airport21 mi away
Frequently asked questions
How far is GRF from NHT?
The flight distance from Fort Lewis (GRF) to Northolt (NHT) is 4,811 miles (7,742 km, 4,180 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRF to NHT?
A nonstop flight takes about 9h 54m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Fort Lewis and Northolt?
Northolt is 8 hours ahead of Fort Lewis.
What is the cheapest way to fly from GRF to NHT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRF–NHT that never appear on search engines, with no booking fees.