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KOP to PMH: distance & flight time
Nakhon Phanom (Nakhon Phanom Airport) → Portsmouth (Greater Portsmouth Regional Airport)
8,522 mi
13,715 km · 7,405 nm
17h 11m
estimated nonstop flight time
—
time difference · heading north
See live KOP→PMH fares Phone-only fares on this route — call free
Flight time details
8,522 miles nonstop takes roughly 17h 11m gate to gate, flying north. 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
- KOP — Nakhon Phanom Airport · Nakhon Phanom, Thailand
- 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 KOP
- SNO · Sakon Nakhon Airport37 mi away
- ZVK · Savannakhet Airport58 mi away
- ROI · Roi Et Airport105 mi away
- VII · Vinh Airport115 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 KOP from PMH?
The flight distance from Nakhon Phanom (KOP) to Portsmouth (PMH) is 8,522 miles (13,715 km, 7,405 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOP to PMH?
A nonstop flight takes about 17h 11m 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 KOP to PMH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOP–PMH that never appear on search engines, with no booking fees.