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USM to CMJ: distance & flight time
Ko Samui (Samui Airport) → Cimei (Chi Mei Airport)
1,590 mi
2,558 km · 1,381 nm
3h 35m
estimated nonstop flight time
+1h
time difference · heading northeast
See live USM→CMJ fares Phone-only fares on this route — call free
Flight time details
1,590 miles nonstop takes roughly 3h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- CMJ — Chi Mei Airport · Cimei, Taiwan
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 CMJ
- WOT · Wang-an Airport12 mi away
- MZG · Makung Airport28 mi away
- TNN · Tainan Airport53 mi away
- CYI · Chiayi Airport64 mi away
Frequently asked questions
How far is USM from CMJ?
The flight distance from Ko Samui (USM) to Cimei (CMJ) is 1,590 miles (2,558 km, 1,381 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to CMJ?
A nonstop flight takes about 3h 35m 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 Cimei?
Cimei is 1 hour ahead of Ko Samui.
What is the cheapest way to fly from USM to CMJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–CMJ that never appear on search engines, with no booking fees.