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GMP to DCA: distance & flight time
Seoul (Gimpo International Airport) → Washington (Ronald Reagan Washington National Airport)
6,944 mi
11,176 km · 6,034 nm
14h 5m
estimated nonstop flight time
-13h
time difference · heading north
See live GMP→DCA fares Phone-only fares on this route — call free
Flight time details
6,944 miles nonstop takes roughly 14h 5m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- GMP — Gimpo International Airport · Seoul, South Korea
- DCA — Ronald Reagan Washington National Airport · Washington, 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 DCA
Frequently asked questions
How far is GMP from DCA?
The flight distance from Seoul (GMP) to Washington (DCA) is 6,944 miles (11,176 km, 6,034 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to DCA?
A nonstop flight takes about 14h 5m 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 Seoul and Washington?
Washington is 13 hours behind Seoul.
What is the cheapest way to fly from GMP to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–DCA that never appear on search engines, with no booking fees.