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PMH to CYI: distance & flight time
Portsmouth (Greater Portsmouth Regional Airport) → Chiayi (Chiayi Airport)
7,877 mi
12,677 km · 6,845 nm
15h 55m
estimated nonstop flight time
—
time difference · heading northwest
See live PMH→CYI fares Phone-only fares on this route — call free
Flight time details
7,877 miles nonstop takes roughly 15h 55m 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
- CYI — Chiayi Airport · Chiayi, Taiwan
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 CYI
- TNN · Tainan Airport37 mi away
- MZG · Makung Airport49 mi away
- PIF · Pingtung North Airport53 mi away
- TXG · Taichung Airport53 mi away
Frequently asked questions
How far is PMH from CYI?
The flight distance from Portsmouth (PMH) to Chiayi (CYI) is 7,877 miles (12,677 km, 6,845 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PMH to CYI?
A nonstop flight takes about 15h 55m 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 CYI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PMH–CYI that never appear on search engines, with no booking fees.