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YSM to OKO: distance & flight time
Fort Smith (Fort Smith Airport) → Yokota (Yokota Air Base)
4,692 mi
7,551 km · 4,077 nm
9h 40m
estimated nonstop flight time
+15h
time difference · heading northwest
See live YSM→OKO fares Phone-only fares on this route — call free
Flight time details
4,692 miles nonstop takes roughly 9h 40m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- YSM — Fort Smith Airport · Fort Smith, Canada
- 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 YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 mi away
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 YSM from OKO?
The flight distance from Fort Smith (YSM) to Yokota (OKO) is 4,692 miles (7,551 km, 4,077 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSM to OKO?
A nonstop flight takes about 9h 40m 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 Fort Smith and Yokota?
Yokota is 15 hours ahead of Fort Smith.
What is the cheapest way to fly from YSM to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSM–OKO that never appear on search engines, with no booking fees.