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OSF to THL: distance & flight time
Moscow (Ostafyevo International Airport) → Tachilek (Tachileik Airport)
3,989 mi
6,419 km · 3,466 nm
8h 17m
estimated nonstop flight time
+3.5h
time difference · heading east
See live OSF→THL fares Phone-only fares on this route — call free
Flight time details
3,989 miles nonstop takes roughly 8h 17m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- OSF — Ostafyevo International Airport · Moscow, Russia
- THL — Tachileik Airport · Tachilek, Burma
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 OSF
- VKO · Vnukovo International Airport11 mi away
- DME · Domodedovo International Airport17 mi away
- BKA · Bykovo Airport23 mi away
- ZIA · Zhukovsky International Airport25 mi away
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
Frequently asked questions
How far is OSF from THL?
The flight distance from Moscow (OSF) to Tachilek (THL) is 3,989 miles (6,419 km, 3,466 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSF to THL?
A nonstop flight takes about 8h 17m 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 OSF to THL?
Nonstop service on OSF–THL 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 8h 17m nonstop estimate.
What is the time difference between Moscow and Tachilek?
Tachilek is 3.5 hours ahead of Moscow.
What is the cheapest way to fly from OSF to THL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSF–THL that never appear on search engines, with no booking fees.
Why are some OSF to THL fares phone-only?
Consolidator contracts let us sell certain OSF–THL 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.