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WOS to WBU: distance & flight time
Wonsan (Wonsan Kalma International Airport) → Boulder (Boulder Municipal Airport)
6,033 mi
9,710 km · 5,243 nm
12h 18m
estimated nonstop flight time
—
time difference · heading northeast
See live WOS→WBU fares Phone-only fares on this route — call free
Flight time details
6,033 miles nonstop takes roughly 12h 18m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- WOS — Wonsan Kalma International Airport · Wonsan, North Korea
- WBU — Boulder Municipal Airport · Boulder, 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 WOS
- DSO · Sondok Airport40 mi away
- ICN · Incheon International Airport130 mi away
- FNJ · Pyongyang Sunan International Airport97 mi away
- YNY · Yangyang International Airport100 mi away
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
Frequently asked questions
How far is WOS from WBU?
The flight distance from Wonsan (WOS) to Boulder (WBU) is 6,033 miles (9,710 km, 5,243 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WOS to WBU?
A nonstop flight takes about 12h 18m 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 cheapest way to fly from WOS to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WOS–WBU that never appear on search engines, with no booking fees.