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USM to GSO: distance & flight time
Ko Samui (Samui Airport) → Greensboro (Piedmont Triad International Airport)
9,283 mi
14,940 km · 8,067 nm
18h 40m
estimated nonstop flight time
-11h
time difference · heading north
See live USM→GSO fares Phone-only fares on this route — call free
Flight time details
9,283 miles nonstop takes roughly 18h 40m 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
- GSO — Piedmont Triad International Airport · Greensboro, 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 GSO
- INT · Smith Reynolds Airport16 mi away
- CLT · Charlotte Douglas International Airport83 mi away
- DAN · Danville Regional Airport47 mi away
- SVH · Statesville Regional Airport61 mi away
Frequently asked questions
How far is USM from GSO?
The flight distance from Ko Samui (USM) to Greensboro (GSO) is 9,283 miles (14,940 km, 8,067 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to GSO?
A nonstop flight takes about 18h 40m 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 Greensboro?
Greensboro is 11 hours behind Ko Samui.
What is the cheapest way to fly from USM to GSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–GSO that never appear on search engines, with no booking fees.