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GRF to TGA: distance & flight time
Fort Lewis (Gray Army Air Field) → Tengah (Tengah Air Base)
8,078 mi
13,001 km · 7,020 nm
16h 18m
estimated nonstop flight time
+15h
time difference · heading northwest
See live GRF→TGA fares Phone-only fares on this route — call free
Flight time details
8,078 miles nonstop takes roughly 16h 18m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- GRF — Gray Army Air Field · Fort Lewis, United States
- TGA — Tengah Air Base · Tengah, Singapore
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 TGA
- SIN · Singapore Changi Airport20 mi away
- XSP · Seletar Airport11 mi away
- QPG · Paya Lebar Air Base14 mi away
- JHB · Senai International Airport18 mi away
Frequently asked questions
How far is GRF from TGA?
The flight distance from Fort Lewis (GRF) to Tengah (TGA) is 8,078 miles (13,001 km, 7,020 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRF to TGA?
A nonstop flight takes about 16h 18m 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 Tengah?
Tengah is 15 hours ahead of Fort Lewis.
What is the cheapest way to fly from GRF to TGA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRF–TGA that never appear on search engines, with no booking fees.