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THL to YSM: distance & flight time
Tachilek (Tachileik Airport) → Fort Smith (Fort Smith Airport)
6,592 mi
10,609 km · 5,729 nm
13h 24m
estimated nonstop flight time
-12.5h
time difference · heading north
See live THL→YSM fares Phone-only fares on this route — call free
Flight time details
6,592 miles nonstop takes roughly 13h 24m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12.5-hour time set-back when reading arrival times on your ticket.
The two airports
- THL — Tachileik Airport · Tachilek, Burma
- YSM — Fort Smith Airport · Fort Smith, Canada
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 YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 mi away
Frequently asked questions
How far is THL from YSM?
The flight distance from Tachilek (THL) to Fort Smith (YSM) is 6,592 miles (10,609 km, 5,729 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THL to YSM?
A nonstop flight takes about 13h 24m 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 Fort Smith?
Fort Smith is 12.5 hours behind Tachilek.
What is the cheapest way to fly from THL to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THL–YSM that never appear on search engines, with no booking fees.