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USM to CVG: distance & flight time
Ko Samui (Samui Airport) → Cincinnati (Cincinnati Northern Kentucky International Airport)
9,065 mi
14,589 km · 7,878 nm
18h 15m
estimated nonstop flight time
-11h
time difference · heading north
See live USM→CVG fares Phone-only fares on this route — call free
Flight time details
9,065 miles nonstop takes roughly 18h 15m 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
- CVG — Cincinnati Northern Kentucky International Airport · Cincinnati, 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 CVG
- LUK · Cincinnati Municipal Airport Lunken Field14 mi away
- HAO · Butler Co Regional Airport - Hogan Field23 mi away
- MGY · Dayton-Wright Brothers Airport44 mi away
- ILN · Wilmington Airpark54 mi away
Frequently asked questions
How far is USM from CVG?
The flight distance from Ko Samui (USM) to Cincinnati (CVG) is 9,065 miles (14,589 km, 7,878 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to CVG?
A nonstop flight takes about 18h 15m 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 Cincinnati?
Cincinnati is 11 hours behind Ko Samui.
What is the cheapest way to fly from USM to CVG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–CVG that never appear on search engines, with no booking fees.