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PMH to REP: distance & flight time
Portsmouth (Greater Portsmouth Regional Airport) → Siem-reap (Siem Reap International Airport)
8,801 mi
14,164 km · 7,648 nm
17h 43m
estimated nonstop flight time
—
time difference · heading north
See live PMH→REP fares Phone-only fares on this route — call free
Flight time details
8,801 miles nonstop takes roughly 17h 43m 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
- PMH — Greater Portsmouth Regional Airport · Portsmouth, United States
- REP — Siem Reap International Airport · Siem-reap, Cambodia
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 REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Frequently asked questions
How far is PMH from REP?
The flight distance from Portsmouth (PMH) to Siem-reap (REP) is 8,801 miles (14,164 km, 7,648 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PMH to REP?
A nonstop flight takes about 17h 43m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from PMH to REP?
Nonstop service on PMH–REP depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 17h 43m nonstop estimate.
What is the cheapest way to fly from PMH to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PMH–REP that never appear on search engines, with no booking fees.
Why are some PMH to REP fares phone-only?
Consolidator contracts let us sell certain PMH–REP tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.