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CNI to DUC: distance & flight time
Changhai (Changhai Airport) → Duncan (Halliburton Field)
6,719 mi
10,814 km · 5,839 nm
13h 39m
estimated nonstop flight time
-13h
time difference · heading northeast
See live CNI→DUC fares Phone-only fares on this route — call free
Flight time details
6,719 miles nonstop takes roughly 13h 39m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- CNI — Changhai Airport · Changhai, China
- DUC — Halliburton Field · Duncan, 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 CNI
- DLC · Zhoushuizi Airport64 mi away
- YKH · Yingkou Lanqi Airport90 mi away
- DDG · Dandong Airport101 mi away
- AOG · Anshan Air Base127 mi away
Near DUC
Frequently asked questions
How far is CNI from DUC?
The flight distance from Changhai (CNI) to Duncan (DUC) is 6,719 miles (10,814 km, 5,839 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CNI to DUC?
A nonstop flight takes about 13h 39m 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 Changhai and Duncan?
Duncan is 13 hours behind Changhai.
What is the cheapest way to fly from CNI to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CNI–DUC that never appear on search engines, with no booking fees.