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WBU to DSO: distance & flight time
Boulder (Boulder Municipal Airport) → Hamhung (Sondok Airport)
6,002 mi
9,660 km · 5,216 nm
12h 14m
estimated nonstop flight time
+15h
time difference · heading northwest
See live WBU→DSO fares Phone-only fares on this route — call free
Flight time details
6,002 miles nonstop takes roughly 12h 14m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, 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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 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 WBU from DSO?
The flight distance from Boulder (WBU) to Hamhung (DSO) is 6,002 miles (9,660 km, 5,216 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to DSO?
A nonstop flight takes about 12h 14m 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 WBU to DSO?
Nonstop service on WBU–DSO 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 12h 14m nonstop estimate.
What is the time difference between Boulder and Hamhung?
Hamhung is 15 hours ahead of Boulder.
What is the cheapest way to fly from WBU to DSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–DSO that never appear on search engines, with no booking fees.
Why are some WBU to DSO fares phone-only?
Consolidator contracts let us sell certain WBU–DSO 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.