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CIA to USM: distance & flight time
Rome (Ciampino–G. B. Pastine International Airport) → Ko Samui (Samui Airport)
5,650 mi
9,093 km · 4,910 nm
11h 33m
estimated nonstop flight time
+5h
time difference · heading east
See live CIA→USM fares Phone-only fares on this route — call free
Flight time details
5,650 miles nonstop takes roughly 11h 33m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- CIA — Ciampino–G. B. Pastine International Airport · Rome, Italy
- 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 CIA
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 CIA from USM?
The flight distance from Rome (CIA) to Ko Samui (USM) is 5,650 miles (9,093 km, 4,910 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CIA to USM?
A nonstop flight takes about 11h 33m 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 Rome and Ko Samui?
Ko Samui is 5 hours ahead of Rome.
What is the cheapest way to fly from CIA to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CIA–USM that never appear on search engines, with no booking fees.