Need help booking?
Unpublished phone-only deals available
NCO to USM: distance & flight time
North Kingstown (Quonset State Airport) → Ko Samui (Samui Airport)
8,862 mi
14,262 km · 7,701 nm
17h 51m
estimated nonstop flight time
+11h
time difference · heading north
See live NCO→USM fares Phone-only fares on this route — call free
Flight time details
8,862 miles nonstop takes roughly 17h 51m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- NCO — Quonset State Airport · North Kingstown, United States
- USM — Samui Airport · Ko Samui, Thailand
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 NCO
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
Frequently asked questions
How far is NCO from USM?
The flight distance from North Kingstown (NCO) to Ko Samui (USM) is 8,862 miles (14,262 km, 7,701 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NCO to USM?
A nonstop flight takes about 17h 51m 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 North Kingstown and Ko Samui?
Ko Samui is 11 hours ahead of North Kingstown.
What is the cheapest way to fly from NCO to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NCO–USM that never appear on search engines, with no booking fees.