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PSM to OIM: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Oshima (Oshima Airport)
6,730 mi
10,831 km · 5,849 nm
13h 40m
estimated nonstop flight time
+13h
time difference · heading northwest
See live PSM→OIM fares Phone-only fares on this route — call free
Flight time details
6,730 miles nonstop takes roughly 13h 40m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, 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 PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 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 PSM from OIM?
The flight distance from Portsmouth (PSM) to Oshima (OIM) is 6,730 miles (10,831 km, 5,849 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to OIM?
A nonstop flight takes about 13h 40m 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 Portsmouth and Oshima?
Oshima is 13 hours ahead of Portsmouth.
What is the cheapest way to fly from PSM to OIM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–OIM that never appear on search engines, with no booking fees.