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SSN to DUC: distance & flight time
Seoul East (Seoul Air Base (K-16)) → Duncan (Halliburton Field)
6,687 mi
10,762 km · 5,811 nm
13h 35m
estimated nonstop flight time
-14h
time difference · heading northeast
See live SSN→DUC fares Phone-only fares on this route — call free
Flight time details
6,687 miles nonstop takes roughly 13h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- SSN — Seoul Air Base (K-16) · Seoul East, South Korea
- DUC — Halliburton Field · Duncan, 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 SSN
- ICN · Incheon International Airport36 mi away
- SWU · Suwon Airport15 mi away
- GMP · Gimpo International Airport19 mi away
- OSN · Osan Air Base25 mi away
Near DUC
Frequently asked questions
How far is SSN from DUC?
The flight distance from Seoul East (SSN) to Duncan (DUC) is 6,687 miles (10,762 km, 5,811 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SSN to DUC?
A nonstop flight takes about 13h 35m 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 East and Duncan?
Duncan is 14 hours behind Seoul East.
What is the cheapest way to fly from SSN to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SSN–DUC that never appear on search engines, with no booking fees.