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OIR to SEP: distance & flight time
Okushiri (Okushiri Airport) → Stephenville (Stephenville Clark Regional Airport)
6,136 mi
9,875 km · 5,332 nm
12h 30m
estimated nonstop flight time
-14h
time difference · heading northeast
See live OIR→SEP fares Phone-only fares on this route — call free
Flight time details
6,136 miles nonstop takes roughly 12h 30m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- OIR — Okushiri Airport · Okushiri, Japan
- SEP — Stephenville Clark Regional Airport · Stephenville, United States
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 OIR
- HKD · Hakodate Airport74 mi away
- AOJ · Aomori Airport113 mi away
- OKD · Okadama Airport123 mi away
- CTS · New Chitose Airport125 mi away
Near SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Frequently asked questions
How far is OIR from SEP?
The flight distance from Okushiri (OIR) to Stephenville (SEP) is 6,136 miles (9,875 km, 5,332 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OIR to SEP?
A nonstop flight takes about 12h 30m 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 Stephenville?
Stephenville is 14 hours behind Okushiri.
What is the cheapest way to fly from OIR to SEP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OIR–SEP that never appear on search engines, with no booking fees.