Need help booking?
Unpublished phone-only deals available
WBU to CNI: distance & flight time
Boulder (Boulder Municipal Airport) → Changhai (Changhai Airport)
6,180 mi
9,946 km · 5,370 nm
12h 35m
estimated nonstop flight time
+14h
time difference · heading northwest
See live WBU→CNI fares Phone-only fares on this route — call free
Flight time details
6,180 miles nonstop takes roughly 12h 35m 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
- CNI — Changhai Airport · Changhai, 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 CNI
- DLC · Zhoushuizi Airport64 mi away
- YKH · Yingkou Lanqi Airport90 mi away
- DDG · Dandong Airport101 mi away
- AOG · Anshan Air Base127 mi away
Frequently asked questions
How far is WBU from CNI?
The flight distance from Boulder (WBU) to Changhai (CNI) is 6,180 miles (9,946 km, 5,370 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to CNI?
A nonstop flight takes about 12h 35m 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 Changhai?
Changhai is 14 hours ahead of Boulder.
What is the cheapest way to fly from WBU to CNI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–CNI that never appear on search engines, with no booking fees.