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USM to ATO: distance & flight time
Ko Samui (Samui Airport) → Athens (Ohio University Snyder Field)
9,065 mi
14,588 km · 7,877 nm
18h 14m
estimated nonstop flight time
-11h
time difference · heading north
See live USM→ATO fares Phone-only fares on this route — call free
Flight time details
9,065 miles nonstop takes roughly 18h 14m 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
- ATO — Ohio University Snyder Field · Athens, 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 ATO
- PMH · Greater Portsmouth Regional Airport42 mi away
- PKB · Mid Ohio Valley Regional Airport43 mi away
- ZZV · Zanesville Municipal Airport54 mi away
- LCK · Rickenbacker International Airport56 mi away
Frequently asked questions
How far is USM from ATO?
The flight distance from Ko Samui (USM) to Athens (ATO) is 9,065 miles (14,588 km, 7,877 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to ATO?
A nonstop flight takes about 18h 14m 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 Athens?
Athens is 11 hours behind Ko Samui.
What is the cheapest way to fly from USM to ATO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–ATO that never appear on search engines, with no booking fees.