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ADT to OIR: distance & flight time
Ada (Ada Regional Airport) → Okushiri (Okushiri Airport)
6,050 mi
9,736 km · 5,257 nm
12h 20m
estimated nonstop flight time
+14h
time difference · heading northwest
See live ADT→OIR fares Phone-only fares on this route — call free
Flight time details
6,050 miles nonstop takes roughly 12h 20m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- ADT — Ada Regional Airport · Ada, United States
- 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 ADT
- ADM · Ardmore Municipal Airport40 mi away
- MLC · Mc Alester Regional Airport51 mi away
- TIK · Tinker Air Force Base58 mi away
- OKC · Will Rogers World Airport66 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 ADT from OIR?
The flight distance from Ada (ADT) to Okushiri (OIR) is 6,050 miles (9,736 km, 5,257 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ADT to OIR?
A nonstop flight takes about 12h 20m 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 Ada and Okushiri?
Okushiri is 14 hours ahead of Ada.
What is the cheapest way to fly from ADT to OIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ADT–OIR that never appear on search engines, with no booking fees.