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YSM to OIR: distance & flight time

Fort Smith (Fort Smith Airport) → Okushiri (Okushiri Airport)

4,317 mi
6,947 km · 3,751 nm
8h 56m
estimated nonstop flight time
+15h
time difference · heading northwest
See live YSM→OIR fares Phone-only fares on this route — call free

Flight time details

4,317 miles nonstop takes roughly 8h 56m 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.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is YSM from OIR?

The flight distance from Fort Smith (YSM) to Okushiri (OIR) is 4,317 miles (6,947 km, 3,751 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from YSM to OIR?

A nonstop flight takes about 8h 56m 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 Okushiri?

Okushiri is 15 hours ahead of Fort Smith.

What is the cheapest way to fly from YSM to OIR?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSM–OIR that never appear on search engines, with no booking fees.
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