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TNN to OIR: distance & flight time
Tainan (Tainan Airport) → Okushiri (Okushiri Airport)
1,724 mi
2,774 km · 1,498 nm
3h 51m
estimated nonstop flight time
+1h
time difference · heading northeast
See live TNN→OIR fares Phone-only fares on this route — call free
Flight time details
1,724 miles nonstop takes roughly 3h 51m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- TNN — Tainan Airport · Tainan, Taiwan
- OIR — Okushiri Airport · Okushiri, 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 TNN
- PIF · Pingtung North Airport25 mi away
- KHH · Kaohsiung International Airport27 mi away
- CYI · Chiayi Airport37 mi away
- WOT · Wang-an Airport53 mi away
Near OIR
- HKD · Hakodate Airport74 mi away
- AOJ · Aomori Airport113 mi away
- OKD · Okadama Airport123 mi away
- CTS · New Chitose Airport125 mi away
Frequently asked questions
How far is TNN from OIR?
The flight distance from Tainan (TNN) to Okushiri (OIR) is 1,724 miles (2,774 km, 1,498 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNN to OIR?
A nonstop flight takes about 3h 51m 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 Tainan and Okushiri?
Okushiri is 1 hour ahead of Tainan.
What is the cheapest way to fly from TNN to OIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNN–OIR that never appear on search engines, with no booking fees.