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DSO to GRF: distance & flight time
Hamhung (Sondok Airport) → Fort Lewis (Gray Army Air Field)
5,055 mi
8,136 km · 4,393 nm
10h 23m
estimated nonstop flight time
-17h
time difference · heading northeast
See live DSO→GRF fares Phone-only fares on this route — call free
Flight time details
5,055 miles nonstop takes roughly 10h 23m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 17-hour time set-back when reading arrival times on your ticket.
The two airports
- DSO — Sondok Airport · Hamhung, North Korea
- GRF — Gray Army Air Field · Fort Lewis, United States
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 DSO
- WOS · Wonsan Kalma International Airport40 mi away
- FNJ · Pyongyang Sunan International Airport103 mi away
- YNY · Yangyang International Airport133 mi away
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
Frequently asked questions
How far is DSO from GRF?
The flight distance from Hamhung (DSO) to Fort Lewis (GRF) is 5,055 miles (8,136 km, 4,393 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DSO to GRF?
A nonstop flight takes about 10h 23m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from DSO to GRF?
Nonstop service on DSO–GRF depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 10h 23m nonstop estimate.
What is the time difference between Hamhung and Fort Lewis?
Fort Lewis is 17 hours behind Hamhung.
What is the cheapest way to fly from DSO to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DSO–GRF that never appear on search engines, with no booking fees.
Why are some DSO to GRF fares phone-only?
Consolidator contracts let us sell certain DSO–GRF tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.