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USM to ADT: distance & flight time
Ko Samui (Samui Airport) → Ada (Ada Regional Airport)
9,183 mi
14,778 km · 7,980 nm
18h 28m
estimated nonstop flight time
-12h
time difference · heading north
See live USM→ADT fares Phone-only fares on this route — call free
Flight time details
9,183 miles nonstop takes roughly 18h 28m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- ADT — Ada Regional Airport · Ada, 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 ADT
- ADM · Ardmore Municipal Airport40 mi away
- MLC · Mc Alester Regional Airport51 mi away
- TIK · Tinker Air Force Base58 mi away
- OKC · Will Rogers World Airport66 mi away
Frequently asked questions
How far is USM from ADT?
The flight distance from Ko Samui (USM) to Ada (ADT) is 9,183 miles (14,778 km, 7,980 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to ADT?
A nonstop flight takes about 18h 28m 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 Ada?
Ada is 12 hours behind Ko Samui.
What is the cheapest way to fly from USM to ADT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–ADT that never appear on search engines, with no booking fees.