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USM to JST: distance & flight time
Ko Samui (Samui Airport) → Johnstown (John Murtha Johnstown Cambria County Airport)
8,991 mi
14,469 km · 7,813 nm
18h 6m
estimated nonstop flight time
-11h
time difference · heading north
See live USM→JST fares Phone-only fares on this route — call free
Flight time details
8,991 miles nonstop takes roughly 18h 6m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- JST — John Murtha Johnstown Cambria County Airport · Johnstown, 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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Near JST
- AOO · Altoona Blair County Airport27 mi away
- LBE · Arnold Palmer Regional Airport30 mi away
- CBE · Greater Cumberland Regional Airport49 mi away
- AGC · Allegheny County Airport58 mi away
Frequently asked questions
How far is USM from JST?
The flight distance from Ko Samui (USM) to Johnstown (JST) is 8,991 miles (14,469 km, 7,813 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to JST?
A nonstop flight takes about 18h 6m 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 Ko Samui and Johnstown?
Johnstown is 11 hours behind Ko Samui.
What is the cheapest way to fly from USM to JST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–JST that never appear on search engines, with no booking fees.