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GRF to NJA: distance & flight time
Fort Lewis (Gray Army Air Field) → Atsugi (Atsugi Naval Air Facility)
4,812 mi
7,744 km · 4,181 nm
9h 54m
estimated nonstop flight time
+16h
time difference · heading northwest
See live GRF→NJA fares Phone-only fares on this route — call free
Flight time details
4,812 miles nonstop takes roughly 9h 54m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- GRF — Gray Army Air Field · Fort Lewis, United States
- NJA — Atsugi Naval Air Facility · Atsugi, Japan
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 NJA
- HND · Tokyo Haneda International Airport20 mi away
- NRT · Narita International Airport57 mi away
- OKO · Yokota Air Base21 mi away
- OIM · Oshima Airport47 mi away
Frequently asked questions
How far is GRF from NJA?
The flight distance from Fort Lewis (GRF) to Atsugi (NJA) is 4,812 miles (7,744 km, 4,181 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRF to NJA?
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 Atsugi?
Atsugi is 16 hours ahead of Fort Lewis.
What is the cheapest way to fly from GRF to NJA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRF–NJA that never appear on search engines, with no booking fees.