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GRF to XSP: distance & flight time
Fort Lewis (Gray Army Air Field) → Singapore (Seletar Airport)
8,070 mi
12,988 km · 7,013 nm
16h 17m
estimated nonstop flight time
+15h
time difference · heading northwest
See live GRF→XSP fares Phone-only fares on this route — call free
Flight time details
8,070 miles nonstop takes roughly 16h 17m 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
- XSP — Seletar Airport · Singapore, 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 XSP
- SIN · Singapore Changi Airport10 mi away
- QPG · Paya Lebar Air Base5 mi away
- TGA · Tengah Air Base11 mi away
- JHB · Senai International Airport21 mi away
Frequently asked questions
How far is GRF from XSP?
The flight distance from Fort Lewis (GRF) to Singapore (XSP) is 8,070 miles (12,988 km, 7,013 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRF to XSP?
A nonstop flight takes about 16h 17m 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 Singapore?
Singapore is 15 hours ahead of Fort Lewis.
What is the cheapest way to fly from GRF to XSP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRF–XSP that never appear on search engines, with no booking fees.