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STL to DSO: distance & flight time
St. Louis (St Louis Lambert International Airport) → Hamhung (Sondok Airport)
6,509 mi
10,475 km · 5,656 nm
13h 14m
estimated nonstop flight time
+14h
time difference · heading northwest
See live STL→DSO fares Phone-only fares on this route — call free
Flight time details
6,509 miles nonstop takes roughly 13h 14m 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
- STL — St Louis Lambert International Airport · St. Louis, 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 STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 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 STL from DSO?
The flight distance from St. Louis (STL) to Hamhung (DSO) is 6,509 miles (10,475 km, 5,656 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to DSO?
A nonstop flight takes about 13h 14m 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 St. Louis and Hamhung?
Hamhung is 14 hours ahead of St. Louis.
What is the cheapest way to fly from STL to DSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–DSO that never appear on search engines, with no booking fees.