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UNN to PSM: distance & flight time
Ranong (Ranong Airport) → Portsmouth (Portsmouth International at Pease Airport)
8,724 mi
14,040 km · 7,581 nm
17h 34m
estimated nonstop flight time
-11h
time difference · heading north
See live UNN→PSM fares Phone-only fares on this route — call free
Flight time details
8,724 miles nonstop takes roughly 17h 34m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- UNN — Ranong Airport · Ranong, Thailand
- PSM — Portsmouth International at Pease 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 UNN
- KAW · Kawthoung Airport19 mi away
- URT · Surat Thani Airport58 mi away
- CJM · Chumphon Airport83 mi away
- VBP · Bokpyinn Airport95 mi away
Near PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 mi away
Frequently asked questions
How far is UNN from PSM?
The flight distance from Ranong (UNN) to Portsmouth (PSM) is 8,724 miles (14,040 km, 7,581 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UNN to PSM?
A nonstop flight takes about 17h 34m 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 time difference between Ranong and Portsmouth?
Portsmouth is 11 hours behind Ranong.
What is the cheapest way to fly from UNN to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UNN–PSM that never appear on search engines, with no booking fees.