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ASH to USM: distance & flight time
Nashua (Boire Field) → Ko Samui (Samui Airport)
8,782 mi
14,134 km · 7,632 nm
17h 41m
estimated nonstop flight time
+11h
time difference · heading north
See live ASH→USM fares Phone-only fares on this route — call free
Flight time details
8,782 miles nonstop takes roughly 17h 41m 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
- ASH — Boire Field · Nashua, 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 ASH
- BOS · General Edward Lawrence Logan International Airport39 mi away
- MHT · Manchester-Boston Regional Airport11 mi away
- LWM · Lawrence Municipal Airport20 mi away
- BED · Laurence G Hanscom Field24 mi away
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 ASH from USM?
The flight distance from Nashua (ASH) to Ko Samui (USM) is 8,782 miles (14,134 km, 7,632 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASH to USM?
A nonstop flight takes about 17h 41m 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 Nashua and Ko Samui?
Ko Samui is 11 hours ahead of Nashua.
What is the cheapest way to fly from ASH to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASH–USM that never appear on search engines, with no booking fees.