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PMH to OKO: distance & flight time
Portsmouth (Greater Portsmouth Regional Airport) → Yokota (Yokota Air Base)
6,623 mi
10,658 km · 5,755 nm
13h 27m
estimated nonstop flight time
—
time difference · heading northwest
See live PMH→OKO fares Phone-only fares on this route — call free
Flight time details
6,623 miles nonstop takes roughly 13h 27m gate to gate, flying northwest. 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
- PMH — Greater Portsmouth Regional Airport · Portsmouth, United States
- OKO — Yokota Air Base · Yokota, 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 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
Near OKO
- HND · Tokyo Haneda International Airport28 mi away
- NRT · Narita International Airport58 mi away
- NJA · Atsugi Naval Air Facility21 mi away
- IBR · Hyakuri Airport67 mi away
Frequently asked questions
How far is PMH from OKO?
The flight distance from Portsmouth (PMH) to Yokota (OKO) is 6,623 miles (10,658 km, 5,755 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PMH to OKO?
A nonstop flight takes about 13h 27m 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 PMH to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PMH–OKO that never appear on search engines, with no booking fees.