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AST to OIM: distance & flight time
Astoria (Astoria Regional Airport) → Oshima (Oshima Airport)
4,826 mi
7,767 km · 4,194 nm
9h 56m
estimated nonstop flight time
+16h
time difference · heading northwest
See live AST→OIM fares Phone-only fares on this route — call free
Flight time details
4,826 miles nonstop takes roughly 9h 56m 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
- AST — Astoria Regional Airport · Astoria, 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 AST
- KLS · Southwest Washington Regional Airport47 mi away
- OTK · Tillamook Airport51 mi away
- HQM · Bowerman Airport56 mi away
- CLS · Chehalis Centralia Airport56 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 AST from OIM?
The flight distance from Astoria (AST) to Oshima (OIM) is 4,826 miles (7,767 km, 4,194 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AST to OIM?
A nonstop flight takes about 9h 56m 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 Astoria and Oshima?
Oshima is 16 hours ahead of Astoria.
What is the cheapest way to fly from AST to OIM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AST–OIM that never appear on search engines, with no booking fees.