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GMP to SLE: distance & flight time
Seoul (Gimpo International Airport) → Salem (Salem Municipal Airport/McNary Field)
5,273 mi
8,487 km · 4,583 nm
10h 48m
estimated nonstop flight time
-17h
time difference · heading northeast
See live GMP→SLE fares Phone-only fares on this route — call free
Flight time details
5,273 miles nonstop takes roughly 10h 48m 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
- GMP — Gimpo International Airport · Seoul, South Korea
- SLE — Salem Municipal Airport/McNary Field · Salem, 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 GMP
- ICN · Incheon International Airport20 mi away
- SSN · Seoul Air Base (K-16)19 mi away
- SWU · Suwon Airport25 mi away
- OSN · Osan Air Base35 mi away
Near SLE
- CVO · Corvallis Municipal Airport32 mi away
- HIO · Portland Hillsboro Airport44 mi away
- PDX · Portland International Airport51 mi away
- TTD · Portland Troutdale Airport53 mi away
Frequently asked questions
How far is GMP from SLE?
The flight distance from Seoul (GMP) to Salem (SLE) is 5,273 miles (8,487 km, 4,583 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to SLE?
A nonstop flight takes about 10h 48m 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 GMP to SLE?
Nonstop service on GMP–SLE 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 48m nonstop estimate.
What is the time difference between Seoul and Salem?
Salem is 17 hours behind Seoul.
What is the cheapest way to fly from GMP to SLE?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–SLE that never appear on search engines, with no booking fees.
Why are some GMP to SLE fares phone-only?
Consolidator contracts let us sell certain GMP–SLE 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.