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RIW to THL: distance & flight time

Riverton WY (Riverton Regional Airport) → Tachilek (Tachileik Airport)

7,689 mi
12,375 km · 6,682 nm
15h 33m
estimated nonstop flight time
+13.5h
time difference · heading northwest
See live RIW→THL fares Phone-only fares on this route — call free

Flight time details

7,689 miles nonstop takes roughly 15h 33m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13.5-hour time gain when reading arrival times on your ticket.

The two airports

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.

Frequently asked questions

How far is RIW from THL?

The flight distance from Riverton WY (RIW) to Tachilek (THL) is 7,689 miles (12,375 km, 6,682 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from RIW to THL?

A nonstop flight takes about 15h 33m 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 RIW to THL?

Nonstop service on RIW–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 15h 33m nonstop estimate.

What is the time difference between Riverton WY and Tachilek?

Tachilek is 13.5 hours ahead of Riverton WY.

What is the cheapest way to fly from RIW to THL?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RIW–THL that never appear on search engines, with no booking fees.

Why are some RIW to THL fares phone-only?

Consolidator contracts let us sell certain RIW–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.
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