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OIR to RIV: distance & flight time
Okushiri (Okushiri Airport) → Riverside (March ARB Airport)
5,293 mi
8,518 km · 4,599 nm
10h 51m
estimated nonstop flight time
-16h
time difference · heading northeast
See live OIR→RIV fares Phone-only fares on this route — call free
Flight time details
5,293 miles nonstop takes roughly 10h 51m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- OIR — Okushiri Airport · Okushiri, Japan
- RIV — March ARB Airport · Riverside, 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 RIV
- RAL · Riverside Municipal Airport12 mi away
- SBD · San Bernardino International Airport15 mi away
- RBK · French Valley Airport22 mi away
- ONT · Ontario International Airport23 mi away
Frequently asked questions
How far is OIR from RIV?
The flight distance from Okushiri (OIR) to Riverside (RIV) is 5,293 miles (8,518 km, 4,599 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OIR to RIV?
A nonstop flight takes about 10h 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 Okushiri and Riverside?
Riverside is 16 hours behind Okushiri.
What is the cheapest way to fly from OIR to RIV?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OIR–RIV that never appear on search engines, with no booking fees.