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KMI to USM: distance & flight time
Miyazaki (Miyazaki Airport) → Ko Samui (Samui Airport)
2,531 mi
4,073 km · 2,199 nm
5h 26m
estimated nonstop flight time
-2h
time difference · heading southwest
See live KMI→USM fares Phone-only fares on this route — call free
Flight time details
2,531 miles nonstop takes roughly 5h 26m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- KMI — Miyazaki Airport · Miyazaki, Japan
- 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 KMI
- KOJ · Kagoshima Airport43 mi away
- KMJ · Kumamoto Airport75 mi away
- AXJ · Amakusa Airport86 mi away
- TNE · New Tanegashima Airport92 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 KMI from USM?
The flight distance from Miyazaki (KMI) to Ko Samui (USM) is 2,531 miles (4,073 km, 2,199 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KMI to USM?
A nonstop flight takes about 5h 26m 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 Miyazaki and Ko Samui?
Ko Samui is 2 hours behind Miyazaki.
What is the cheapest way to fly from KMI to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KMI–USM that never appear on search engines, with no booking fees.