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OIR to YSM: distance & flight time

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

4,317 mi
6,947 km · 3,751 nm
8h 56m
estimated nonstop flight time
-15h
time difference · heading northeast
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Flight time details

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

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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 OIR from YSM?

The flight distance from Okushiri (OIR) to Fort Smith (YSM) 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 OIR to YSM?

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 Okushiri and Fort Smith?

Fort Smith is 15 hours behind Okushiri.

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

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OIR–YSM that never appear on search engines, with no booking fees.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