Need help booking?
Unpublished phone-only deals available
OIR to PMH: distance & flight time
Okushiri (Okushiri Airport) → Portsmouth (Greater Portsmouth Regional Airport)
6,248 mi
10,056 km · 5,430 nm
12h 43m
estimated nonstop flight time
—
time difference · heading northeast
See live OIR→PMH fares Phone-only fares on this route — call free
Flight time details
6,248 miles nonstop takes roughly 12h 43m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- OIR — Okushiri Airport · Okushiri, Japan
- PMH — Greater Portsmouth Regional Airport · Portsmouth, 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 PMH
- HTS · Tri-State/Milton J. Ferguson Field36 mi away
- ATO · Ohio University Snyder Field42 mi away
- ILN · Wilmington Airpark65 mi away
- LCK · Rickenbacker International Airport67 mi away
Frequently asked questions
How far is OIR from PMH?
The flight distance from Okushiri (OIR) to Portsmouth (PMH) is 6,248 miles (10,056 km, 5,430 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OIR to PMH?
A nonstop flight takes about 12h 43m 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 cheapest way to fly from OIR to PMH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OIR–PMH that never appear on search engines, with no booking fees.