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DUC to OKO: distance & flight time
Duncan (Halliburton Field) → Yokota (Yokota Air Base)
6,340 mi
10,203 km · 5,509 nm
12h 54m
estimated nonstop flight time
+14h
time difference · heading northwest
See live DUC→OKO fares Phone-only fares on this route — call free
Flight time details
6,340 miles nonstop takes roughly 12h 54m 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
- DUC — Halliburton Field · Duncan, United States
- OKO — Yokota Air Base · Yokota, Japan
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 DUC
Near OKO
- HND · Tokyo Haneda International Airport28 mi away
- NRT · Narita International Airport58 mi away
- NJA · Atsugi Naval Air Facility21 mi away
- IBR · Hyakuri Airport67 mi away
Frequently asked questions
How far is DUC from OKO?
The flight distance from Duncan (DUC) to Yokota (OKO) is 6,340 miles (10,203 km, 5,509 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to OKO?
A nonstop flight takes about 12h 54m 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 Duncan and Yokota?
Yokota is 14 hours ahead of Duncan.
What is the cheapest way to fly from DUC to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–OKO that never appear on search engines, with no booking fees.