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THL to PSM: distance & flight time
Tachilek (Tachileik Airport) → Portsmouth (Portsmouth International at Pease Airport)
8,006 mi
12,884 km · 6,957 nm
16h 10m
estimated nonstop flight time
-10.5h
time difference · heading north
See live THL→PSM fares Phone-only fares on this route — call free
Flight time details
8,006 miles nonstop takes roughly 16h 10m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time set-back when reading arrival times on your ticket.
The two airports
- THL — Tachileik Airport · Tachilek, Burma
- 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 THL
- HOE · Ban Huoeisay Airport36 mi away
- CEI · Chiang Rai International Airport37 mi away
- MOG · Mong Hsat Airport44 mi away
- KET · Kengtung Airport60 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 THL from PSM?
The flight distance from Tachilek (THL) to Portsmouth (PSM) is 8,006 miles (12,884 km, 6,957 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THL to PSM?
A nonstop flight takes about 16h 10m 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 Tachilek and Portsmouth?
Portsmouth is 10.5 hours behind Tachilek.
What is the cheapest way to fly from THL to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THL–PSM that never appear on search engines, with no booking fees.