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RAL to OIM: distance & flight time
Riverside (Riverside Municipal Airport) → Oshima (Oshima Airport)
5,570 mi
8,964 km · 4,840 nm
11h 23m
estimated nonstop flight time
+16h
time difference · heading northwest
See live RAL→OIM fares Phone-only fares on this route — call free
Flight time details
5,570 miles nonstop takes roughly 11h 23m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- RAL — Riverside Municipal Airport · Riverside, United States
- OIM — Oshima Airport · Oshima, 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 RAL
- ONT · Ontario International Airport11 mi away
- CNO · Chino Airport11 mi away
- RIV · March ARB Airport12 mi away
- LAX · Los Angeles International Airport55 mi away
Near OIM
- HND · Tokyo Haneda International Airport58 mi away
- NJA · Atsugi Naval Air Facility47 mi away
- NRT · Narita International Airport89 mi away
- MYE · Miyakejima Airport50 mi away
Frequently asked questions
How far is RAL from OIM?
The flight distance from Riverside (RAL) to Oshima (OIM) is 5,570 miles (8,964 km, 4,840 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RAL to OIM?
A nonstop flight takes about 11h 23m 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 Riverside and Oshima?
Oshima is 16 hours ahead of Riverside.
What is the cheapest way to fly from RAL to OIM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RAL–OIM that never appear on search engines, with no booking fees.