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WBU to RLK: distance & flight time
Boulder (Boulder Municipal Airport) → Bayannur (Bayannur Tianjitai Airport)
6,471 mi
10,415 km · 5,624 nm
13h 9m
estimated nonstop flight time
+14h
time difference · heading northwest
See live WBU→RLK fares Phone-only fares on this route — call free
Flight time details
6,471 miles nonstop takes roughly 13h 9m 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
- WBU — Boulder Municipal Airport · Boulder, United States
- RLK — Bayannur Tianjitai Airport · Bayannur, China
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 RLK
- WUA · Wuhai Airport93 mi away
- BAV · Baotou Airport121 mi away
- DSN · Ordos Ejin Horo Airport149 mi away
Frequently asked questions
How far is WBU from RLK?
The flight distance from Boulder (WBU) to Bayannur (RLK) is 6,471 miles (10,415 km, 5,624 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to RLK?
A nonstop flight takes about 13h 9m 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 Boulder and Bayannur?
Bayannur is 14 hours ahead of Boulder.
What is the cheapest way to fly from WBU to RLK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–RLK that never appear on search engines, with no booking fees.