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SEP to DSO: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → Hamhung (Sondok Airport)
6,670 mi
10,735 km · 5,796 nm
13h 33m
estimated nonstop flight time
+14h
time difference · heading northwest
See live SEP→DSO fares Phone-only fares on this route — call free
Flight time details
6,670 miles nonstop takes roughly 13h 33m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- SEP — Stephenville Clark Regional Airport · Stephenville, United States
- DSO — Sondok Airport · Hamhung, North Korea
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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Near DSO
- WOS · Wonsan Kalma International Airport40 mi away
- FNJ · Pyongyang Sunan International Airport103 mi away
- YNY · Yangyang International Airport133 mi away
Frequently asked questions
How far is SEP from DSO?
The flight distance from Stephenville (SEP) to Hamhung (DSO) is 6,670 miles (10,735 km, 5,796 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEP to DSO?
A nonstop flight takes about 13h 33m 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 Stephenville and Hamhung?
Hamhung is 14 hours ahead of Stephenville.
What is the cheapest way to fly from SEP to DSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–DSO that never appear on search engines, with no booking fees.