Need help booking?
Unpublished phone-only deals available
THL to ROI: distance & flight time
Tachilek (Tachileik Airport) → Roi Et (Roi Et Airport)
393 mi
632 km · 341 nm
1h 30m
estimated nonstop flight time
+0.5h
time difference · heading southeast
See live THL→ROI fares Phone-only fares on this route — call free
Flight time details
393 miles nonstop takes roughly 1h 30m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 0.5-hour time gain when reading arrival times on your ticket.
The two airports
- THL — Tachileik Airport · Tachilek, Burma
- ROI — Roi Et Airport · Roi Et, Thailand
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 ROI
- KKC · Khon Kaen Airport70 mi away
- BFV · Buri Ram Airport70 mi away
- ZVK · Savannakhet Airport72 mi away
- SNO · Sakon Nakhon Airport78 mi away
Frequently asked questions
How far is THL from ROI?
The flight distance from Tachilek (THL) to Roi Et (ROI) is 393 miles (632 km, 341 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THL to ROI?
A nonstop flight takes about 1h 30m 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 Roi Et?
Roi Et is 0.5 hours ahead of Tachilek.
What is the cheapest way to fly from THL to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THL–ROI that never appear on search engines, with no booking fees.