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OKM to CSX: distance & flight time
Okmulgee (Okmulgee Regional Airport) → Changcha (Changsha Huanghua International Airport)
7,633 mi
12,284 km · 6,633 nm
15h 26m
estimated nonstop flight time
+13h
time difference · heading northwest
See live OKM→CSX fares Phone-only fares on this route — call free
Flight time details
7,633 miles nonstop takes roughly 15h 26m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- OKM — Okmulgee Regional Airport · Okmulgee, United States
- CSX — Changsha Huanghua International Airport · Changcha, 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 OKM
- RVS · Richard Lloyd Jones Jr Airport26 mi away
- TUL · Tulsa International Airport37 mi away
- CUH · Cushing Municipal Airport50 mi away
- MLC · Mc Alester Regional Airport55 mi away
Near CSX
- YIC · Yichun Mingyueshan Airport71 mi away
- HNY · Hengyang Nanyue Airport96 mi away
- CGD · Changde Airport108 mi away
- JGS · Jinggangshan Airport131 mi away
Frequently asked questions
How far is OKM from CSX?
The flight distance from Okmulgee (OKM) to Changcha (CSX) is 7,633 miles (12,284 km, 6,633 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKM to CSX?
A nonstop flight takes about 15h 26m 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 Okmulgee and Changcha?
Changcha is 13 hours ahead of Okmulgee.
What is the cheapest way to fly from OKM to CSX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKM–CSX that never appear on search engines, with no booking fees.