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USM to GNI: distance & flight time
Ko Samui (Samui Airport) → Green Island (Lyudao Airport)
1,682 mi
2,707 km · 1,461 nm
3h 46m
estimated nonstop flight time
+1h
time difference · heading northeast
See live USM→GNI fares Phone-only fares on this route — call free
Flight time details
1,682 miles nonstop takes roughly 3h 46m 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
- GNI — Lyudao Airport · Green Island, 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 GNI
- TTT · Taitung Airport24 mi away
- KYD · Lanyu Airport45 mi away
- PIF · Pingtung North Airport63 mi away
- HCN · Hengchun Airport64 mi away
Frequently asked questions
How far is USM from GNI?
The flight distance from Ko Samui (USM) to Green Island (GNI) is 1,682 miles (2,707 km, 1,461 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to GNI?
A nonstop flight takes about 3h 46m 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 Green Island?
Green Island is 1 hour ahead of Ko Samui.
What is the cheapest way to fly from USM to GNI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–GNI that never appear on search engines, with no booking fees.