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OKO to YSM: distance & flight time
Yokota (Yokota Air Base) → Fort Smith (Fort Smith Airport)
4,692 mi
7,551 km · 4,077 nm
9h 40m
estimated nonstop flight time
-15h
time difference · heading northeast
See live OKO→YSM fares Phone-only fares on this route — call free
Flight time details
4,692 miles nonstop takes roughly 9h 40m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- OKO — Yokota Air Base · Yokota, Japan
- YSM — Fort Smith Airport · Fort Smith, Canada
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 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
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
Frequently asked questions
How far is OKO from YSM?
The flight distance from Yokota (OKO) to Fort Smith (YSM) 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 OKO to YSM?
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 Yokota and Fort Smith?
Fort Smith is 15 hours behind Yokota.
What is the cheapest way to fly from OKO to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKO–YSM that never appear on search engines, with no booking fees.