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ZHI to OIR: distance & flight time
Grenchen (Grenchen Airport) → Okushiri (Okushiri Airport)
5,607 mi
9,024 km · 4,872 nm
11h 28m
estimated nonstop flight time
+7h
time difference · heading northeast
See live ZHI→OIR fares Phone-only fares on this route — call free
Flight time details
5,607 miles nonstop takes roughly 11h 28m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- ZHI — Grenchen Airport · Grenchen, Switzerland
- 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 ZHI
- BRN · Bern Belp Airport19 mi away
- BSL · EuroAirport Basel-Mulhouse-Freiburg Airport29 mi away
- QNC · Neuchatel Airport30 mi away
- BOR · Fontaine Airport38 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 ZHI from OIR?
The flight distance from Grenchen (ZHI) to Okushiri (OIR) is 5,607 miles (9,024 km, 4,872 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZHI to OIR?
A nonstop flight takes about 11h 28m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from ZHI to OIR?
Nonstop service on ZHI–OIR depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 11h 28m nonstop estimate.
What is the time difference between Grenchen and Okushiri?
Okushiri is 7 hours ahead of Grenchen.
What is the cheapest way to fly from ZHI to OIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZHI–OIR that never appear on search engines, with no booking fees.
Why are some ZHI to OIR fares phone-only?
Consolidator contracts let us sell certain ZHI–OIR tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.